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STATEMENT OF CASH FLOWS (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Apr. 02, 2011
Cash paid (received) during the period for:    
Interest $ 11.9 $ 6.6
Net income tax refunds (8.9) (14.5)
Supplemental disclosures of non-cash investing and financing activities:    
Restricted stock issued to employees $ 18.7 $ 26.0