Recent Accounting Pronouncements (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013	Mar. 29, 2014 Accounting Standards Update 2013-11 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income tax expense (benefit)	$ 17,919,000	$ (3,133,000)	$ 18,494,000	$ (9,727,000)	$ (300,000)
Increase (reduction) in deferred tax assets					(300,000)
Increase (reduction) in income taxes payable			$ (3,158,000)	$ (363,000)	$ (600,000)