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PRESENTATION OF FINANCIAL INFORMATION (Tables)
 9 Months Ended
Jun. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Earnings Per Share
Basic earnings per share have been computed based upon the weighted-average number of common shares outstanding during the respective periods. Diluted earnings per share have been computed, when the result is dilutive, using the treasury stock method for stock awards outstanding during the respective periods. Earnings per share were calculated as follows (amounts in thousands, except per share data): 
 
 
Quarter Ended
 
Nine Months Ended
 
 
June 30,
2013
 
July 1,
2012
 
June 30,
2013
 
July 1,
2012
Basic
 
 
 
 
 
 
 
 
Net income (loss)
 
$
18,279

 
$
8,126

 
$
29,588

 
$
(41,268
)
Weighted-average common shares outstanding
 
89,809

 
86,000

 
89,235

 
85,652

Basic earnings (loss) per share
 
$
0.20

 
$
0.09

 
$
0.33

 
$
(0.48
)
 
 
 
 
 
 
 
 
 
Diluted
 
 
 
 
 
 
 
 
Net income (loss)
 
$
18,279

 
$
8,126

 
$
29,588

 
$
(41,268
)
Weighted-average common shares outstanding for basic
 
89,809

 
86,000

 
89,235

 
85,652

Dilutive effect of stock awards
 
1,873

 
1,941

 
1,575

 
—

Weighted-average common shares outstanding on a diluted basis
 
91,682

 
87,941

 
90,810

 
85,652

Diluted earnings (loss) per share
 
$
0.20

 
$
0.09

 
$
0.33

 
$
(0.48
)