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DEBT - Additional Information (Detail) (USD $)
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12 Months Ended | 12 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | ||||||||||||||||||||||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2012
Maximum
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Dec. 31, 2012
Minimum
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Dec. 31, 2012
After Amendment
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Dec. 31, 2012
Notes, 7.34%, due in installments through May 2014
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Dec. 31, 2011
Notes, 7.34%, due in installments through May 2014
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May 31, 2007
Notes, 7.34%, due in installments through May 2014
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Nov. 04, 2009
Notes, 4.45%, due December 2014
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Dec. 31, 2012
Notes, 4.45%, due December 2014
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Dec. 31, 2011
Notes, 4.45%, due December 2014
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Dec. 31, 2012
Notes, 6.30%, due July 2017
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Dec. 31, 2011
Notes, 6.30%, due July 2017
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Jun. 28, 2007
Notes, 6.30%, due July 2017
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Dec. 31, 2012
Notes, 7.00%, due July 2037
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Dec. 31, 2011
Notes, 7.00%, due July 2037
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Jun. 28, 2007
Notes, 7.00%, due July 2037
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Jul. 28, 2007
Senior Notes
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Dec. 31, 2012
Debentures, 6.90%, due July 2028
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Dec. 31, 2011
Debentures, 6.90%, due July 2028
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Dec. 17, 2012
Notes, 3.30%, due Dec 2022
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Dec. 31, 2012
Notes, 3.30%, due Dec 2022
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Dec. 31, 2011
Notes, 3.30%, due Dec 2022
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Dec. 19, 2012
Senior Unsecured Revolving Credit Facility
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Dec. 31, 2012
Senior Unsecured Revolving Credit Facility
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Dec. 31, 2011
Senior Unsecured Revolving Credit Facility
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Dec. 31, 2011
Senior Unsecured Revolving Credit Facility
Maximum
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Dec. 31, 2011
Senior Unsecured Revolving Credit Facility
Minimum
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Dec. 19, 2012
Senior Unsecured Revolving Credit Facility
After Amendment
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| Debt Instrument [Line Items] | ||||||||||||||||||||||||||||||
| Credit facility expiration date | Feb. 18, 2015 | Dec. 19, 2017 | ||||||||||||||||||||||||||||
| Credit facility borrowing capacity | $ 750,000,000 | $ 500,000,000 | $ 1,000,000,000 | |||||||||||||||||||||||||||
| Credit facility covenants compliance | The financial covenants require us to maintain a maximum leverage ratio, defined as consolidated funded debt divided by consolidated EBITDA (as set forth in the Senior Credit Facility) for the preceding four quarters, of not more than 3.5 to 1.0. Compliance with this financial covenant is tested quarterly. The non-financial covenants include limitations on liens, subsidiary debt, mergers, liquidations, asset dispositions and acquisitions. As of December 31, 2012, we were in compliance with our covenants under the Senior Credit Facility. | |||||||||||||||||||||||||||||
| Credit facility Debt to EBITDA ratio | 3.5 | 1.0 | ||||||||||||||||||||||||||||
| Credit facility, available for borrowings | 483,600,000 | |||||||||||||||||||||||||||||
| Line of credit facility outstanding amount | 0 | |||||||||||||||||||||||||||||
| Commercial paper, maturity date | 397 days | 1 day | ||||||||||||||||||||||||||||
| Commercial paper outstanding amount | 265,000,000 | |||||||||||||||||||||||||||||
| Long term debt | 1,720,400,000 | 999,200,000 | 30,000,000 | 45,000,000 | 75,000,000 | 275,000,000 | 275,000,000 | 275,000,000 | 272,500,000 | 272,500,000 | 300,000,000 | 250,000,000 | 250,000,000 | 250,000,000 | 125,000,000 | 125,000,000 | 500,000,000 | 500,000,000 | 0 | |||||||||||
| Long term debt, interest rate | 7.34% | 7.34% | 7.34% | 4.45% | 4.45% | 4.45% | 6.30% | 6.30% | 6.30% | 7.00% | 7.00% | 7.00% | 6.90% | 6.90% | 3.30% | 3.30% | 3.30% | |||||||||||||
| Long term debt, interest payment date terms | Interest is payable semi-annually in arrears on December 1 and June 1 of each year. | Interest is payable semi-annually in arrears on January 1 and July 1 of each year. | Interest is payable semi-annually in arrears on December 15 and June 15 of each year. | |||||||||||||||||||||||||||
| Fair value adjustments | 12,600,000 | 15,800,000 | 400,000 | 1,000,000 | 12,200,000 | 14,800,000 | ||||||||||||||||||||||||
| Interest rate swap term | In conjunction with the senior notes, we entered into five-year interest rate swaps, designated as fair value hedges, which convert the fixed interest rate to a variable rate. | |||||||||||||||||||||||||||||
| Repayment of debt, terms | We are required to repay the principal amount of the TALX Notes in five equal annual installments commencing on May 25, 2010 with a final maturity date of May 25, 2014. | |||||||||||||||||||||||||||||
| Principal repayment of debt, commencement date | May 25, 2010 | |||||||||||||||||||||||||||||
| Principal repayment of debt, maturity date | May 25, 2014 | |||||||||||||||||||||||||||||
| Cash paid for interest, net of capitalized interest | $ 53,000,000 | $ 54,000,000 | $ 55,600,000 | |||||||||||||||||||||||||||