Summary of Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Sep. 30, 2017

Summary of Quarterly Results of Operations (Unaudited)

Summary of quarterly results of operations

									Year
	Three Months Ended								Ended
Fiscal 2017	September 30		June 30		March 31		December 31		September 30
	(in thousands, except per share data)
Net sales	$	445,606	$	361,869	$	343,709	$	334,677	$	1,485,861
Operating income (loss)		25,384		(1,697)		(2,072)		(4,101)		17,514
Net income (loss)		13,155		(21,957)		461		(2,868)		(11,209)
Net income (loss) per share, basic		0.49		(0.81)		0.02		(0.11)		(0.41)
Net income (loss) per share, diluted		0.49		(0.81)		0.02		(0.11)		(0.41)

									Year
	Three Months Ended								Ended
Fiscal 2016	September 30		June 30		March 31		December 31		September 30
	(in thousands, except per share data)
Net sales	$	406,588	$	375,240	$	366,024	$	313,813	$	1,461,665
Operating income (loss)		10,488		13,893		(9,086)		(8,077)		7,218
Net income (loss)		(7,493)		4,498		10,144		(5,414)		1,735
Net income (loss) per share, basic		(0.29)		0.17		0.38		(0.20)		0.06
Net income (loss) per share, diluted		(0.29)		0.17		0.38		(0.20)		0.06