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Revenue Recognition - Summary of Impact of Adoption of New Revenue Recognition Guidance (Details) - USD ($) $ in Thousands		3 Months Ended
	Jun. 24, 2018	Sep. 30, 2018	Sep. 24, 2017
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Revenue		$ 181,611	$ 164,242
Cost of sales		161,592	140,950
Gross profit		20,019	$ 23,292
Inventories	$ 126,311	131,961
Contract assets		10,337
ASU No. 2014-09 [Member]
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	8,593
Cost of sales	$ 7,992
ASU No. 2014-09 [Member] \| Treatment Under Previous Revenue Recognition Guidance [Member]
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Revenue		179,814
Cost of sales		159,890
Gross profit		19,924
Inventories		141,620
ASU No. 2014-09 [Member] \| Adjustments In Connection With New Revenue Recognition Guidance [Member]
Revenue Initial Application Period Cumulative Effect Transition [Line Items]
Revenue		1,797
Cost of sales		1,702
Gross profit		95
Inventories		(9,659)
Contract assets		$ 10,337