Annual report pursuant to Section 13 and 15(d)

Expected Future Minimum Payment Obligations for Non-Cancelable Operating Leases Exceeding One Year (Detail)

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Expected Future Minimum Payment Obligations for Non-Cancelable Operating Leases Exceeding One Year (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Operating Leased Assets [Line Items]  
2013 $ 20.7
2014 15.0
2015 11.7
2016 8.0
2017 6.1
Thereafter 32.8
Total debt $ 94.3