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Product Warranties (Tables)
 9 Months Ended
Jul. 02, 2016
Product Warranties Disclosures [Abstract]  
Summary of Activity in Warranty Accrual
 
 
Three Months Ended
 
Nine Months Ended
 
 
July 2,
2016
 
July 4,
2015
 
July 2,
2016
 
July 4,
2015
Warranty accrual at beginning of period
 
$
20,398

 
$
17,618

 
$
18,660

 
$
19,953

Warranties issued during current year
 
2,609

 
2,358

 
7,952

 
6,057

Adjustments to pre-existing warranties
 
(879
)
 
(391
)
 
(1,227
)
 
(1,976
)
Reductions for settling warranties
 
(1,898
)
 
(2,306
)
 
(4,946
)
 
(5,462
)
Foreign currency translation
 
(350
)
 
322

 
(559
)
 
(971
)
Warranty accrual at end of period
 
$
19,880

 
$
17,601

 
$
19,880

 
$
17,601