Pre-Production Costs Related to Long-Term Supply Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 25, 2016	Sep. 27, 2015	Dec. 27, 2015
Unamortized Preproduction Costs [Abstract]
Preproduction costs	$ 76,648		$ 73,095
Accumulated amortization	(63,417)		(58,632)
Net preproduction costs	13,231		14,463
Deferred Revenue [Abstract]
Accrued expenses	2,096		2,908
Other non-current liabilities	6,037		1,266
Total deferred tooling revenues	8,133		$ 4,174
Deferred Revenue, Revenue Recognized	$ 6,200	$ 1,300