Schedule of Finite and Indefinite-lived Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 28, 2014	Jun. 30, 2015	Jun. 28, 2014	Dec. 31, 2014
Goodwill [Line Items]
Amortization of Intangible Assets	$ 3,683	$ 2,547	$ 6,447	$ 5,164
Accumulated Amortization	55,761		55,761		$ 43,685
Intangible assets, net	182,573		182,573		178,911
Amortization of Financing Costs	1,586	1,274	3,240	2,300
Total	5,269	$ 3,821	9,687	$ 7,464
Intangible Assets, Gross (Excluding Goodwill)	238,334		238,334		222,596
Trade names
Goodwill [Line Items]
Tradenames (indefinite-lived)	33,355		33,355		34,912
Technology
Goodwill [Line Items]
Gross Carrying Amount	63,726		63,726		63,726
Accumulated Amortization	17,559		17,559		14,902
Intangible assets, net	46,167		46,167		48,824
Customer relationships
Goodwill [Line Items]
Gross Carrying Amount	81,082		81,082		76,242
Accumulated Amortization	15,304		15,304		12,735
Intangible assets, net	65,778		65,778		63,507
Loan acquisition costs
Goodwill [Line Items]
Gross Carrying Amount	41,100		41,100		40,612
Accumulated Amortization	20,158		20,158		14,447
Intangible assets, net	20,942		20,942		26,165
Other intangibles, principally patents
Goodwill [Line Items]
Gross Carrying Amount	19,071		19,071		7,104
Accumulated Amortization	2,740		2,740		1,601
Intangible assets, net	$ 16,331		$ 16,331		$ 5,503