Restructuring Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Restructuring Reserve [RollForward]
Payments	$ 0
Distribution [Member]
Restructuring Cost and Reserve [Line Items]
RestructuringAndRelatedCostIncurredCostNoncashPortion	2,300
RestructuringAndRelatedCostExpectedCashPayout	700		$ 700
Restructuring and Related Cost, Incurred Cost	4,477
RestructuringAndRelatedCostIncurredCostCashPortion	2,200
Restructuring Reserve [RollForward]
Balance at the beginning of the period	0	$ 0	0	$ 0
Restructuring Reserve, Accrual Adjustment	2,177	0	2,177	0
Accretion of related lease obligations	0	0	0	0
Payments		0	0	0
Balance at the end of the period	2,177	0	2,177	0
Manufacturing [Member]
Restructuring Reserve [RollForward]
Balance at the beginning of the period	1,627	2,109	1,960	2,772
Restructuring Reserve, Accrual Adjustment	(442)	0	(442)	(331)
Accretion of related lease obligations	170	120	322	372
Payments	149	185	634	769
Balance at the end of the period	1,206	2,044	1,206	2,044
Facility Closing [Member]
Restructuring Reserve [RollForward]
Balance at the beginning of the period	1,627	2,109	1,960	2,772
Restructuring Reserve, Accrual Adjustment	1,735	0	1,735	(331)
Accretion of related lease obligations	170	120	322	372
Payments	149	185	634	769
Balance at the end of the period	3,383	$ 2,044	$ 3,383	$ 2,044
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	1,400
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	500
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 2,200