Schedule of Finite and Indefinite-lived Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Dec. 28, 2013
Goodwill [Line Items]
Amortization of Intangible Assets	$ 2,547	$ 1,743	$ 5,164	$ 3,233
Total gross finite-lived intangible assets	190,328		190,328		$ 160,778
Accumulated amortization	(33,681)		(33,681)		(26,291)
Total net finite-lived intangible assets	156,647		156,647		134,487
Total	191,559		191,559		169,399
Amortization of Financing Costs	1,274	607	2,300	1,214
Total	3,821	$ 2,350	7,464	$ 4,447
Trade names
Goodwill [Line Items]
Tradenames (indefinite-lived)	34,912		34,912		34,912
Technology
Goodwill [Line Items]
Total gross finite-lived intangible assets	63,720		63,720		63,705
Customer relationships
Goodwill [Line Items]
Total gross finite-lived intangible assets	78,694		78,694		60,078
Loan acquisition costs
Goodwill [Line Items]
Total gross finite-lived intangible assets	40,911		40,911		30,067
Other intangibles, principally patents
Goodwill [Line Items]
Total gross finite-lived intangible assets	$ 7,003		$ 7,003		$ 6,928