Income Taxes (Tables)

12 Months Ended

May. 31, 2015

Income Tax Disclosure [Abstract]

Components of Income Before Income Taxes

For financial reporting purposes, income before income taxes comprised the following as of May 31:

	2015		2014		2013
Domestic	$	24,203	$	30,907	$	37,162
Foreign	447		1,619		(49		)
	$	24,650	$	32,526	$	37,113

Components of Provision for Income Taxes

The income tax provision consisted of the following for the fiscal years ended May 31:

	2015			2014			2013
Current
Federal	$	11,636		$	18,007		$	17,007
State	1,355			1,720			1,417
Foreign	387			319			573
Deferred
Federal	(3,626		)	(7,553		)	(4,401		)
State	(248		)	(500		)	257
Foreign	(286		)	125			(494		)
	$	9,218		$	12,118		$	14,359

Reconciliation Between Statutory Federal Income Tax Rate and Effective Income Tax Rate

The following reconciles the statutory federal income tax rate to the effective tax rate for the fiscal years ended May 31:

	2015		2014		2013
Statutory federal rate	35.0	%	35.0	%	35.0	%
State taxes, net of federal benefit	2.9		2.5		3.0
Foreign tax credit/refund	(0.8	)	(0.6	)	—
Permanent differences resulting from valuation allowances	0.6		0.3		0.7
Other	(0.3	)	0.1		—
Effective tax rate	37.4	%	37.3	%	38.7	%

Components of Deferred Tax Assets and Liabilities

The tax effects of temporary differences that gave rise to significant portions of the net deferred tax liabilities consisted of the following at May 31:

	2015			2014
Deferred tax assets:
Allowance for doubtful accounts	$	113		$	198
Deferred compensation and benefits	4,588			4,547
Net operating losses	398			254
Valuation allowance	(398		)	(254		)
Other	1,890			1,791
	6,591			6,536
Deferred tax liabilities:
Accumulated depreciation	(42,505		)	(46,169		)
Deferred taxes on bargain purchase	(1,583		)	(2,027		)
Intangible asset	(155		)	(152		)
Net deferred tax liabilities	$	(37,652	)	$	(41,812	)