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DEBT - Additional Information (Detail)
In Millions, unless otherwise specified |
12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2011
USD ($)
|
Dec. 31, 2010
USD ($)
|
Dec. 31, 2009
USD ($)
|
Mar. 31, 2011
USD ($)
|
Dec. 31, 2011
Maximum
|
Dec. 31, 2011
Minimum
|
Mar. 31, 2011
After Amendment
USD ($)
|
Dec. 31, 2011
Note, 4.25%, due in installments through May 2012
|
Jul. 26, 2007
Note, 4.25%, due in installments through May 2012
USD ($)
|
Dec. 31, 2011
Notes, 7.34%, due in installments through May 2014
USD ($)
|
Dec. 31, 2010
Notes, 7.34%, due in installments through May 2014
USD ($)
|
May 31, 2007
Notes, 7.34%, due in installments through May 2014
USD ($)
|
May 31, 2007
Revolving Credit Facility
USD ($)
|
Nov. 04, 2009
Notes, 4.45%, due December 2014
USD ($)
|
Dec. 31, 2011
Notes, 4.45%, due December 2014
USD ($)
|
Dec. 31, 2010
Notes, 4.45%, due December 2014
USD ($)
|
Jul. 28, 2007
Notes, 6.30%, due July 2017
|
Dec. 31, 2011
Notes, 6.30%, due July 2017
USD ($)
|
Dec. 31, 2010
Notes, 6.30%, due July 2017
USD ($)
|
Jun. 28, 2007
Notes, 6.30%, due July 2017
USD ($)
|
Jul. 28, 2007
Notes, 7.00%, due July 2037
|
Dec. 31, 2011
Notes, 7.00%, due July 2037
USD ($)
|
Dec. 31, 2010
Notes, 7.00%, due July 2037
USD ($)
|
Jun. 28, 2007
Notes, 7.00%, due July 2037
USD ($)
|
Jul. 28, 2007
6.3% and 7.0% Senior Notes
|
Dec. 04, 2009
6.3% and 7.0% Senior Notes
USD ($)
|
Dec. 31, 2009
6.3% and 7.0% Senior Notes
USD ($)
|
Dec. 31, 2009
Debentures, 6.90%, due July 2028
USD ($)
|
Dec. 31, 2011
Debentures, 6.90%, due July 2028
USD ($)
|
Dec. 31, 2010
Debentures, 6.90%, due July 2028
USD ($)
|
Feb. 28, 2011
Senior Unsecured Revolving Credit Facility
USD ($)
|
Dec. 31, 2011
Senior Unsecured Revolving Credit Facility
USD ($)
|
Dec. 31, 2011
Senior Unsecured Revolving Credit Facility
Maximum
|
Feb. 28, 2011
Senior Unsecured Revolving Credit Facility
After Amendment
USD ($)
|
Dec. 31, 2011
364-Day Revolving Credit
CAD
|
|
| Debt Instrument [Line Items] | |||||||||||||||||||||||||||||||||||
| Credit facility borrowing capacity | $ 850.0 | $ 500.0 | 10.0 | ||||||||||||||||||||||||||||||||
| Credit facility expiration date | 2011-07-24 | 2015-02-18 | 2011-06 | ||||||||||||||||||||||||||||||||
| Line of credit facility, potential maximum borrowing capacity | 750.0 | ||||||||||||||||||||||||||||||||||
| 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, cross defaults, subsidiary debt, mergers, liquidations, asset dispositions and acquisitions. As of December 31, 2011, we were in compliance with our covenants under the Senior Credit Facility. | ||||||||||||||||||||||||||||||||||
| Credit facility Debt to EBITDA ratio | 3.5 | ||||||||||||||||||||||||||||||||||
| Credit facility, available for borrowings | 468.6 | ||||||||||||||||||||||||||||||||||
| Line of credit facility outstanding amount | 0 | ||||||||||||||||||||||||||||||||||
| Commercial paper, maturity date | 397 days | 1 day | |||||||||||||||||||||||||||||||||
| Commercial paper notes | 850.0 | 500.0 | |||||||||||||||||||||||||||||||||
| Commercial paper outstanding amount | 30.0 | ||||||||||||||||||||||||||||||||||
| Long term debt | 999.2 | 990.2 | 12.5 | 45.0 | 60.0 | 75.0 | 96.6 | 275.0 | 275.0 | 275.0 | 272.5 | 272.5 | 300.0 | 250.0 | 250.0 | 250.0 | 125.0 | 125.0 | |||||||||||||||||
| Long term debt, interest rate | 4.25% | 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% | ||||||||||||||||||||
| Debt instrument, maturiy term | 5 years | 10 years | 30 years | ||||||||||||||||||||||||||||||||
| Debt, maturity date | 2014-05 | 2014-05 | 2014-12 | 2014-12 | 2017-07 | 2017-07 | 2037-07 | 2037-07 | 2028-07 | 2028-07 | |||||||||||||||||||||||||
| Long term debt, payment frequency | Per annum | ||||||||||||||||||||||||||||||||||
| 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. | |||||||||||||||||||||||||||||||||
| Principal amount of debt purchased | 7.5 | 25.0 | |||||||||||||||||||||||||||||||||
| Fair value adjustments | 15.8 | 11.5 | 1.0 | 14.8 | |||||||||||||||||||||||||||||||
| Payment to repurchase debentures | 25.1 | ||||||||||||||||||||||||||||||||||
| 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 | 2010-05-25 | ||||||||||||||||||||||||||||||||||
| Principal repayment of debt, maturity date | May 25, 2014 | ||||||||||||||||||||||||||||||||||
| Payment to purchase senior notes | 6.3 | ||||||||||||||||||||||||||||||||||
| Cash paid for interest, net of capitalized interest | $ 54.0 | $ 55.6 | $ 56.7 | ||||||||||||||||||||||||||||||||