Restructuring Property, plant and equipment (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 27, 2016 USD ($)	Mar. 29, 2015 USD ($)	Dec. 27, 2015 USD ($)
Property, Plant and Equipment [Line Items]
Restructuring Charges	$ 30	$ 1,872
Property, plant and equipment, net	230,406		$ 234,646
Payments for Restructuring	$ (1)		$ (304)
Rogers, Arkansas facility closure [Member]
Property, Plant and Equipment [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated	500
Rogers, Arkansas facility closure [Member] | Rogers, Arkansas facility [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 2,900	500
Cost of Sales [Member] | Rogers, Arkansas facility closure [Member]
Property, Plant and Equipment [Line Items]
Restructuring Charges		$ 1,900
Restructuring and Related Cost, Expected Cost	15,594
Selling, General and Administrative Expenses [Member]
Property, Plant and Equipment [Line Items]
Other Depreciation and Amortization	200
Restructuring Costs, All Costs [Member] | Cost of Sales [Member] | Rogers, Arkansas facility closure [Member]
Property, Plant and Equipment [Line Items]
Restructuring and Related Cost, Expected Cost	$ 15,600