Summary of Quarterly Results of Operations (Unaudited)

12 Months Ended

Sep. 30, 2019

Summary of Quarterly Results of Operations (Unaudited)

Summary of Quarterly Results of Operations (Unaudited)

NOTE 20—SUMMARY OF QUARTERLY RESULTS OF OPERATIONS (UNAUDITED)

The following is a summary of our quarterly results of operations for the fiscal years ended September 30, 2019 and 2018:

									Year
	Three Months Ended								Ended
Fiscal 2019	September 30		June 30		March 31		December 31		September 30
	(in thousands, except per share data)
Net sales	$	471,198	$	382,679	$	337,339	$	305,259	$	1,496,475
Operating income (loss)		58,619		34,725		(6,541)		(566)		86,237
Net income (loss)		41,763		23,910		(9,392)		(6,587)		49,694
Net income (loss) per share, basic		1.39		0.77		(0.30)		(0.23)		1.63
Net income (loss) per share, diluted		1.38		0.77		(0.30)		(0.23)		1.62

									Year
	Three Months Ended								Ended
Fiscal 2018	September 30		June 30		March 31		December 31		September 30
	(in thousands, except per share data)
Net sales	$	379,709	$	296,212	$	278,586	$	248,391	$	1,202,898
Operating income (loss)		27,673		10,290		(1,679)		(11,902)		24,382
Net income (loss)		17,816		6,291		(2,011)		(9,786)		12,310
Net income (loss) per share, basic		0.65		0.23		(0.07)		(0.36)		0.45
Net income (loss) per share, diluted		0.65		0.23		(0.07)		(0.36)		0.45

The following table summarizes the aggregate impact of net changes in contract estimates (amounts in thousands, except per share data):

	Three Months Ended
	September 30,
	2019		2018
Operating income (loss)	$	(1,420)	$	(4,162)
Net income (loss) from continuing operations		(1,615)		(3,149)
Diluted earnings per share		(0.05)		(0.12)