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Warranty Obligations (Tables)
 6 Months Ended
Apr. 01, 2017
Product Warranties Disclosures [Abstract]  
Warranty Provisions And Claims
Warranty provisions and claims were as follows: 
 
 
Three Months Ended
 
Six Months Ended
(in thousands)
 
April 1,
2017
 
April 2,
2016
 
April 1,
2017
 
April 2,
2016
Beginning balance
 
$
5,402

 
$
4,302

 
$
5,718

 
$
4,695

Warranty claims
 
(889
)
 
(1,246
)
 
(1,843
)
 
(2,681
)
Warranty provisions
 
842

 
1,811

 
1,494

 
2,856

Adjustments to preexisting warranties
 
(122
)
 
—

 
(117
)
 
—

Currency translation
 
7

 
5

 
(12
)
 
2

Ending balance
 
$
5,240

 
$
4,872

 
$
5,240

 
$
4,872