Schedule of Finite and Indefinite-lived Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	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	$ 3,397	$ 1,743	$ 6,499	$ 3,233
Total gross finite-lived intangible assets	176,098		176,098		160,778
Accumulated amortization	(34,885)		(34,885)		(26,291)
Total net finite-lived intangible assets	141,213		141,213		134,487
Total	176,125		176,125		169,399
Amortization of Financing Costs	1,274	607	2,300	1,214
Total	4,671	2,350	8,799	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	64,464		64,464		60,079
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		$ 6,927