Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 29, 2013	Dec. 31, 2012
Statement of Financial Position [Abstract]
Allowances for receivables	$ 36.6	$ 34.3
Redeemable convertible preferred stock, liquidation preference	$ 50	$ 50
Redeemable convertible preferred stock, shares outstanding	76,002	76,002
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	49,751,373	49,693,532
Common stock, shares outstanding	49,751,373	49,693,532
Treasury stock, shares	8,680,253	8,738,094