CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Oct. 31, 2015	Oct. 31, 2014
Income Statement [Abstract]
Net sales	$ 224,849	$ 246,621
Cost of sales	163,970	187,231
Gross profit	60,879	59,390
Operating expenses:
Selling, general and administrative	30,607	28,582
Advertising	11,886	11,816
Total operating expenses	42,493	40,398
Income from operations	18,386	18,992
Interest expense, net	10,026	10,236
Other income, net	(22)	0
Income before income taxes	8,338	8,756
Income taxes	559	1,062
Net income	$ 7,779	$ 7,694
Earnings per share:
Basic (in dollars per share)	$ 0.25	$ 0.25
Diluted (in dollars per share)	$ 0.24	$ 0.24
Shares used to compute earnings per share:
Basic (in shares)	31,279	31,042
Diluted (in shares)	31,870	31,468