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Accumulated Other Comprehensive Income (Tables)
3 Months Ended
Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Comprehensive Income (Loss) [Table Text Block]
The components of comprehensive income (loss), net of income taxes, are as follows (in thousands):
 
 
Three Months Ended
 
 
December 31,
2011
 
January 1,
2011
 
 
 
 
 
 
Net income
$
17,051

 
$
19,113

 
Other comprehensive income (loss):
 
 
 
 
Translation adjustment
(10,321
)
 
(11,426
)
 
Changes in unrealized gains on available-for-sale securities, net of taxes
16

 
(1
)
 
Other comprehensive income (loss), net of tax
(10,305
)
 
(11,427
)
 
Comprehensive income (loss)
$
6,746

 
$
7,686