Income Taxes (Tables)

12 Months Ended

Jul. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of provision for income taxes

The (benefit) provision for income taxes consists of the following:

	Year Ended July 31,
	2020				2019				2018
	Current		Deferred		Current		Deferred		Current		Deferred
United States:
Federal	$	(28,696)	$	17,872	$	13,494	$	683	$	24,288	$	(7,308)
State	902		(516)		3,976		(15)		5,078		491
International	5,687		(2,005)		4,869		(2,730)		4,626		(703)
Total	$	(22,107)	$	15,351	$	22,339	$	(2,062)	$	33,992	$	(7,520)

Schedule of geographic components of income before income taxes

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

	Year Ended July 31,
	2020		2019		2018
United States	$	(6,663)	$	68,342	$	115,697
International	13,615		6,977		1,816
Total	$	6,952	$	75,319	$	117,513

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 21.0% in fiscal 2020, 21.0% in fiscal 2019 and 26.9% in 2018 due to the following:

	Year Ended July 31,
	2020		2019		2018
Expected statutory tax(1)	21.0	%	21.0	%	26.9	%
Differential attributable to:
Foreign operations	16.0	%	0.3	%	0.6	%
State and local taxes	13.7	%	4.8	%	3.7	%
U.S. permanent items	5.3	%	1.9	%	(1.5)	%
Tax reserves	11.3	%	—	%	—	%
U.S Federal tax legislation	(156.3)	%	(0.1)	%	(7.4)	%
R&E tax credit	(26.9)	%	(1.0)	%	(0.7)	%
U.S. foreign inclusions	(2.9)	%	(0.8)	%	—	%
Excess tax benefits	6.9	%	(0.7)	%	(1.7)	%
Valuation allowance	16.8	%	0.1	%	2.4	%
Other	(2.1)	%	1.4	%	0.2	%
Consolidated effective income tax rate	(97.2)	%	26.9	%	22.5	%

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(1)    During fiscal 2018, 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,
	2020		2019
Deferred tax assets:
Accrued expenses	$	4,244	$	4,175
Inventories	6,256		5,408
Accounts receivable	693		593
Other long-term liabilities	110		211
Stock-based compensation	3,691		3,586
Capital investment	426		426
Tax credits	2,421		—
Domestic NOLs	2,705		137
Foreign NOLs	11,158		10,284
Subtotal	31,704		24,820
Valuation allowance	(8,163)		(5,701)
	23,541		19,119
Deferred tax liabilities:
Property and equipment	(22,790)		(11,342)
Intangible assets	(21,286)		(21,156)
Goodwill	(15,021)		(11,618)
Convertible debt discount	(9,190)		—
	(68,287)		(44,116)
Net deferred income taxes	$	(44,746)	$	(24,997)
Reported in Consolidated Balance Sheets as:
Deferred income taxes (assets)	$	4,787	$	4,281
Deferred income taxes (liabilities)	(49,533)		(29,278)
	$	(44,746)	$	(24,997)

Schedule of gross unrecognized tax benefits

A reconciliation of the beginning and ending amounts of gross unrecognized tax benefits is as follows:

	Unrecognized Tax Benefits(1)
Balance, July 31, 2018	$	—
Additions for tax positions of prior years	432
Balance, July 31, 2019	432
Lapses in statutes of limitations	(8)
Additions for tax positions of prior years	302
Foreign currency translation	20
Balance, July 31, 2020	$	746

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(1)All of our unrecognized tax benefits, if recognized, would impact our effective tax rate in future periods.