Earnings per Share (Tables)

6 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Schedule of information necessary to calculate basic and diluted earnings (loss) per share

The following table presents information necessary to calculate basic and diluted earnings per share (in thousands, except per share data): 

	Three Months Ended				Six Months Ended
	March 31, 2012		April 2, 2011		March 31, 2012		April 2, 2011
Weighted average shares outstanding —basic	23,521		25,246		23,491		24,967
Dilutive effect of employee stock awards	475		586		488		583
Weighted average shares outstanding—diluted	23,996		25,832		23,979		25,550
Net income	$	16,155	$	23,723	$	33,206	$	42,836
Net income per basic share	$	0.69	$	0.94	$	1.41	$	1.72
Net income per diluted share	$	0.67	$	0.92	$	1.38	$	1.68