Unaudited Condensed Consolidated Balance Sheet (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Sep. 28, 2013	Dec. 31, 2012
Current Assets:
Allowance for doubtful accounts	$ 5.4	$ 7.2
Other Assets:
Accumulated amortization of intangible assets	$ 165.5	$ 127.3
Stockholders' Equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	90,000,000	90,000,000
Common stock, shares issued	15,644,255	15,471,150
Treasury stock, shares	245,395	172,685