Income Taxes (Tables)

12 Months Ended

Jul. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of provision for income taxes

The provision for income taxes consists of the following:

	Year Ended July 31,
	2018					2017					2016
	Current		Deferred			Current		Deferred			Current		Deferred
United States:
Federal	$	24,288	$	(7,308	)	$	28,900	$	2,020		$	29,392	$	(216	)
State	5,078		491			4,352		261			4,433		(153		)
International	4,626		(703		)	1,545		(2,223		)	1,863		(1,341		)
Total	$	33,992	$	(7,520	)	$	34,797	$	58		$	35,688	$	(1,710	)

Schedule of geographic components of income before income taxes

The geographic components of income (loss) before income taxes are as follows:

	Year Ended July 31,
	2018		2017			2016
United States	$	115,697	$	108,329		$	92,744
International	1,816		(2,096		)	1,187
Total	$	117,513	$	106,233		$	93,931

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 26.9% in fiscal 2018 and 35.0% in fiscal 2017 and 2016 due to the following:

	Year Ended July 31,
	2018		2017		2016
Expected statutory tax(1)	26.9	%	35.0	%	35.0	%
Differential attributable to:
Foreign operations	0.6	%	—	%	0.6	%
State and local taxes	3.7	%	3.9	%	3.2	%
Domestic production deduction	(1.8	)%	(2.7	)%	(2.3	)%
Acquisition-related items, net	—	%	0.1	%	—	%
Impact of tax legislation on deferred taxes	(7.4	)%	—	%	—	%
R&E tax credit	(0.7	)%	(1.4	)%	(1.1	)%
Change in foreign tax rates	—	%	—	%	(0.4	)%
Excess tax benefits	(1.7	)%	(2.2	)%	—	%
Valuation allowance	2.4	%	—	%	—	%
Other	0.5	%	0.1	%	1.2	%
Consolidated effective income tax rate	22.5	%	32.8	%	36.2	%

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(1) We revised our estimated annual rate to reflect a blended U.S. federal statutory rate of 26.9% as compared to 35.0%.

Schedule of deferred income tax assets and liabilities

Tax assets and liabilities, shown before and after jurisdictional netting of deferred tax assets (liabilities), are comprised of the following:

	July 31,
	2018			2017
Deferred tax assets:
Accrued expenses	$	5,354		$	6,308
Inventories	3,165			4,655
Accounts receivable	306			729
Other long-term liabilities	103			180
Stock-based compensation	2,700			3,402
Capital investment	426			545
Foreign NOLs	8,605			6,490
Subtotal	20,659			22,309
Valuation allowance	(6,358		)	(2,984		)
	14,301			19,325
Deferred tax liabilities:
Property and equipment	(7,352		)	(9,957		)
Intangible assets	(21,300		)	(20,107		)
Goodwill	(10,362		)	(13,975		)
	(39,014		)	(44,039		)
Net deferred income taxes	$	(24,713	)	$	(24,714	)
Reported in Consolidated Balance Sheets as:
Deferred income taxes (assets)	$	2,911		$	—
Deferred income taxes (liabilities)	(27,624		)	(24,714		)
	$	(24,713	)	$	(24,714	)