Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2017	Jul. 31, 2016
Consolidated Statements of Operations and Comprehensive Income
Net sales	$ 642,157	$ 549,800
Cost of sales (exclusive of depreciation and amortization shown separately below)	437,053	371,215
Gross profit	205,104	178,585
Operating expenses:
Selling, general and administrative	156,072	135,058
Depreciation and amortization	16,345	15,795
Total operating expenses	172,417	150,853
Operating income	32,687	27,732
Other (expense) income:
Interest expense	(7,500)	(7,577)
Write-off of debt discount and deferred financing fees	(74)	(5,426)
Other income, net	290	593
Total other (expense), net	(7,284)	(12,410)
Income before taxes	25,403	15,322
Provision for income taxes	10,060	6,159
Net income	$ 15,343	$ 9,163
Weighted average shares outstanding:
Basic (in shares)	40,970,905	38,200,597
Diluted (in shares)	42,127,771	38,602,378
Net income per share:
Basic (in dollars per share)	$ 0.37	$ 0.24
Diluted (in dollars per share)	$ 0.36	$ 0.24
Comprehensive income:
Net income	$ 15,343	$ 9,163
Increase (decrease) in fair value of financial instrument, net of tax	153	(88)
Comprehensive income	$ 15,496	$ 9,075