Restructuring (Details) $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended	12 Months Ended
	Jun. 28, 2015 USD ($)	Jun. 29, 2014 USD ($)	Jun. 28, 2015 USD ($)	Jun. 29, 2014 USD ($)	Dec. 27, 2015 USD ($)	Dec. 28, 2014 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 164		$ 164			$ 215
Restructuring Charges	1,565	$ 0	3,438	$ 0
Payments for Restructuring			$ (2,231)
Rogers, Arkansas facility closure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated			500
Rogers, Arkansas facility closure [Member] | Cost of Sales, Restructuring Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Accelerated Depreciation			$ 950			5,365
Restructuring and Related Cost, Expected Cost Remaining	2,180		2,180
Expected Restructuring Charges	14,047		14,047
Restructuring and Related Cost, Incurred Cost			3,438			8,429
Accelerated Depreciation [Member] | Rogers, Arkansas facility closure [Member] | Cost of Sales, Restructuring Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	1,224		1,224
Expected Restructuring Charges	7,539		7,539
One-time Termination Benefits [Member] | Rogers, Arkansas facility closure [Member] | Cost of Sales, Restructuring Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	0		0
Expected Restructuring Charges	2,078		2,078
Restructuring and Related Cost, Incurred Cost			181			1,897
Other Restructuring [Member] | Rogers, Arkansas facility closure [Member] | Cost of Sales, Restructuring Costs [Member]
Restructuring Cost and Reserve [Line Items]
Expected Restructuring Charges	14,000		14,000
Other Restructuring [Member] | Rogers, Arkansas facility closure [Member] | Cost of Sales, Restructuring Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	956		956
Expected Restructuring Charges	4,430		4,430
Restructuring and Related Cost, Incurred Cost			2,307			$ 1,167
Restructuring Charges, Excluding Accelerated Depreciation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			2,180
Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring					$ 5,900
Scenario, Forecast [Member] | Rogers, Arkansas facility closure [Member]
Restructuring Cost and Reserve [Line Items]
Expected Restructuring Charges	$ 1,100		$ 1,100