Income Taxes (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
	May 05, 2015	Jun. 25, 2016	Jun. 27, 2015	Jun. 25, 2016	Jun. 27, 2015	Dec. 26, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Effective tax rate (as a percentage)		34.60%	18.40%	31.00%	12.40%
Gain on bargain purchase				$ (16)	$ 9,878
Increase (decrease) in unrecognized tax benefits		$ 1,900	$ (10,400)
Unrecognized tax benefits		25,300		25,300
Increase in unrecognized tax benefits that would impact effective tax rate				2,100
Unrecognized tax benefits that would impact effective tax rate favorably, if recognized		22,200		22,200
Accrued interest on unrecognized tax benefits		1,400		1,400
Possible decrease of unrecognized tax benefits		3,000		3,000
Income tax expense related to items of other comprehensive income		142	263	284	480
Pension and Other Post-Retirement Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Income tax expense related to items of other comprehensive income		$ 100	$ 300	$ 284	$ 500
Sunrise
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Gain on bargain purchase	$ 9,821					$ 9,900