Income Taxes (Tables)

12 Months Ended

Jul. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of provision for income taxes

The provision for income taxes consists of the following:

	Year Ended July 31,
	2017					2016					2015
	Current		Deferred			Current		Deferred			Current		Deferred
United States:
Federal	$	28,900	$	2,020		$	29,392	$	(216	)	$	24,602	$	(425	)
State	4,352		261			4,433		(153		)	3,920		(218		)
International	1,545		(2,223		)	1,863		(1,341		)	1,165		(806		)
Total	$	34,797	$	58		$	35,688	$	(1,710	)	$	29,687	$	(1,449	)

Schedule of geographic components of income before income taxes

The geographic components of income before income taxes are as follows:

	Year Ended July 31,
	2017			2016		2015
United States	$	108,329		$	92,744	$	73,645
International	(2,096		)	1,187		2,546
Total	$	106,233		$	93,931	$	76,191

Schedule of reconciliation of differences in effective tax rate from the United States statutory tax rate

The consolidated effective income tax rate differed from the U.S. statutory tax rate of 35.0% in fiscal 2017, 2016 and 2015 due to the following:

	Year Ended July 31,
	2017		2016		2015
Expected statutory tax	35.0	%	35.0	%	35.0	%
Differential attributable to:
Foreign operations	—	%	0.6	%	1.2	%
State and local taxes	3.9	%	3.2	%	3.4	%
Domestic production deduction	(2.7	)%	(2.3	)%	(2.4	)%
Acquisition related items, net	0.1	%	—	%	(1.6	)%
Loss on sale of business	—	%	—	%	1.1	%
R&E tax credit	(1.4	)%	(1.1	)%	(0.5	)%
Change in foreign tax rates	—	%	(0.4	)%	—	%
Excess tax benefits	(2.2	)%	—	%	—	%
Other	0.1	%	1.2	%	0.9	%
Consolidated effective tax rate	32.8	%	36.2	%	37.1	%

Schedule of deferred income tax assets and liabilities

Deferred income tax assets and liabilities are comprised of the following:

	July 31,
	2017			2016
Deferred tax assets:
Accrued expenses	$	6,308		$	5,140
Inventories	4,655			2,990
Accounts receivable	729			793
Other long-term liabilities	180			252
Stock-based compensation	3,402			3,665
Capital investment	545			546
Foreign NOLs	6,490			5,154
Subtotal	22,309			18,540
Valuation allowance	(2,984		)	(2,334		)
	19,325			16,206
Deferred tax liabilities:
Property and equipment	(9,957		)	(8,089		)
Intangible assets	(20,107		)	(19,818		)
Goodwill	(13,975		)	(11,878		)
	(44,039		)	(39,785		)
Net deferred tax liabilities - noncurrent	$	(24,714	)	$	(23,579	)