Income Taxes (Tables)

12 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Components of income taxes

Components of income tax expense (benefit) are as follows:

	Years Ended March 31,
	2018			2017			2016
Current
Federal	$	80,339		$	2,184		$	11,971
State	3,437			1,576			2,443
Foreign	14,388			8,039			12,039
Total	98,164			11,799			26,453
Deferred
Federal	12,007			(20,287		)	7,887
State	391			(3,446		)	1,113
Foreign	(4,260		)	(762		)	(833		)
Total	8,138			(24,495		)	8,167
Income tax expense (benefit)	$	106,302		$	(12,696	)	$	34,620

Actual income taxes differed from that obtained by applying the statutory federal income tax rate to income before income taxes

Income tax expense (benefit) differed from that obtained by applying the statutory federal income tax rate to income before income taxes or benefit as follows:

	Years Ended March 31,
	2018			2017			2016
Computed expected income taxes	$	69,556		$	(2,445	)	$	54,910
State income taxes, net of federal income tax benefit	9,044			(1,403		)	1,298
Foreign rate differential	(37,090		)	(8,062		)	(28,233		)
Unrecognized tax benefits	1,301			2,691			3,670
Income tax expense on diminution of operations and nondeductible goodwill	—			3,921			1,352
Foreign income withholding tax expense	262			432			—
Nontaxable income	(7,006		)	(5,055		)	—
US tax on deemed repatriated foreign earnings	57,138			—			—
Re-measurement of deferred taxes	14,395			—			—
Statutory foreign income tax expense (benefit)	59			(2,504		)	(477		)
Other	(1,357		)	(271		)	2,100
Income tax expense (benefit)	$	106,302		$	(12,696	)	$	34,620

Tax effects of temporary differences that give rise to significant portions of deferred tax assets and deferred tax liabilities

The tax effects of temporary differences that give rise to significant portions of deferred tax assets and deferred tax liabilities are as follows:

	As of March 31,
	2018			2017
Deferred tax assets (liabilities), noncurrent:
Amortization and impairment of intangible assets	$	18,261		$	28,304
Depreciation of property and equipment	(9,638		)	(19,511		)
Stock-based compensation	4,027			6,258
Deferred rent	5,452			6,809
Acquisition costs	481			751
Uniform capitalization adjustment to inventory	3,212			4,971
Bad debt allowance and other reserves	12,939			15,946
State taxes	798			(145		)
Prepaid expenses	(2,686		)	(4,144		)
Accrued bonuses	7,573			1,456
Foreign currency exchange rate hedges	(80		)	(534		)
Other	(2,821		)	1,376
Net operating loss carry-forwards	863			3,171
Deferred tax assets, net	$	38,381		$	44,708

Reconciliation of the beginning and ending amounts of total unrecognized tax benefits

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

Balance, March 31, 2016	$	8,695
Gross increase related to current year tax positions	1,878
Gross increase related to prior year tax positions	1,154
Balance, March 31, 2017	11,727
Gross increase related to current year tax positions	1,168
Gross increase related to prior year tax positions	1,243
Settlements	(4,501		)
Lapse of statute of limitations	(43		)
Balance, March 31, 2018	$	9,594