Discontinued Operations - Financial Data (Details) - USD ($) $ in Thousands		3 Months Ended
	Sep. 30, 2016	Oct. 02, 2016	Sep. 27, 2015
Financial data
Income from discontinued operations, net of tax		$ 4,187	$ 173
TeknaSeal | Discontinued Operations, Disposed of by Sale
Financial data
Sales		1,277
Cost of sales		(943)
Gross profit		334
Selling, general and administrative		(242)
Income of discontinued operations, before income taxes		92
Gain on sale of discontinued operations		5,643
Total income from discontinued operations, before income taxes		5,735
Income tax expense on discontinued operations		(1,548)
Income from discontinued operations, net of tax		$ 4,187
TeknaSeal | Discontinued Operations, Held-for-sale
Financial data
Sales			858
Cost of sales			(478)
Gross profit			380
Selling, general and administrative			(207)
Income of discontinued operations, before income taxes			173
Total income from discontinued operations, before income taxes			173
Income from discontinued operations, net of tax			$ 173
Precision Components Group | TeknaSeal | Discontinued Operations, Disposed of by Sale
Financial data
Gain on sale of discontinued operations	$ 5,643