Restructuring Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Mar. 30, 2018
Restructuring Cost and Reserve [Line Items]
Total cost savings	$ 4,000
Restructuring Reserve [Roll Forward]
Restructuring accrual balance, beginning of period	1,351
Provision	813
Cash payments	(726)
Changes in foreign currency exchange rates	21
Restructuring accrual balance, end of period	1,459		$ 1,459
Restructuring costs	1,693	$ 0	4,400
Aerospace
Restructuring Reserve [Roll Forward]
Provision	800
Severance costs	900
Severance
Restructuring Reserve [Roll Forward]
Restructuring accrual balance, beginning of period	1,172
Provision	499
Cash payments	(476)
Changes in foreign currency exchange rates	13
Restructuring accrual balance, end of period	1,208		1,208
Other
Restructuring Reserve [Roll Forward]
Restructuring accrual balance, beginning of period	179
Provision	314
Cash payments	(250)
Changes in foreign currency exchange rates	8
Restructuring accrual balance, end of period	251		251
Write-off of inventory			1,000
Minimum
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs	7,000		7,000
Maximum
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs	$ 8,500		$ 8,500