Stock-Based Compensation (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Stock-based Compensation (Textual) [Abstract]
Stock options granted under the 2011 Incentive Plan	51	39
Restricted stock and restricted stock units granted under the 2011 Incentive Plan	136	1,736
Approximate number of shares available for grant under the 2011 Incentive Plan	15,300
Stock-based compensation expense	$ 9,446	$ 5,657
Income tax benefit related to stock-based compensation expense	$ 3,012	$ 1,722
Stock options exercised	1,346	1,728
Restricted stock and restricted stock units vested	1,745	750
Shares cancelled as performance measures for certain performance-based grants were not met		772
Restricted stock issued based on performance-based grants	1,152	127