Quarterly Results (Unaudited) (Tables)

12 Months Ended

Mar. 31, 2018

Quarterly Financial Data [Abstract]

Schedule of Unaudited Quarterly Statement of Operations Data

The unaudited quarterly statement of operations data for each quarter of fiscal years 2018 and 2017 were as follows (in thousands, except per share data):

	Fiscal Year 2018
	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
Net sales	$	320,735	$	425,537	$	482,741	$	303,173
Gross profit	161,716		211,282		235,088		152,630
Net income	42,912		73,300		33,779		12,004
Basic income per share	$	0.67	$	1.16	$	0.53	$	0.19
Diluted income per share	0.64		1.10		0.52		0.19

	Fiscal Year 2017
	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
Net sales	$	259,428	$	428,619	$	523,029	$	327,864
Gross profit	126,685		211,699		255,152		164,279
Net income	18,071		86,039		122,041		35,058
Basic income per share	$	0.29	$	1.37	$	1.91	$	0.55
Diluted income per share	0.27		1.30		1.83		0.52