Warranty (Details) (USD $)	3 Months Ended
	Sep. 26, 2014	Sep. 27, 2013
Activity in warranty reserve [Abstract]
Reserve balance, beginning of period	$ 5,968,000	$ 5,701,000
Current period expense	546,000	371,000
Payments or credits to customers	(541,000)	(381,000)
Translation	(138,000)	(27,000)
Reserve balance, end of period	5,835,000	5,664,000
Current portion of warranty accrual	3,661,000	4,096,000
Long-term portion of warranty accrual	$ 2,154,000	$ 1,568,000