Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Summary of Provision for Income Taxes

The following table summarizes the provision for income taxes:

	Year Ended December 31,
	2016		2015		2014
	(in thousands)
Current:
Federal	$	33,032	$	11,917	$	21,030
State	6,958		2,173		4,095
	$	39,990	$	14,090	$	25,125
Deferred:
Federal	$	2,163	$	13,646	$	(12,708	)
State	838		4,004		(2,559		)
	$	3,001	$	17,650	$	(15,267	)
Tax provision	$	42,991	$	31,740	$	9,858

Significant Components of Federal and State Deferred Tax Assets and Liabilities

Significant components of our federal and state deferred tax assets and liabilities are as follows:

	Year Ended December 31,
	2016			2015
	(in thousands)
Deferred tax assets:
Allowance for doubtful accounts	$	2,672		$	1,819
Deferred compensation	8,532			9,191
Accrued insurance claims	5,862			5,786
Non-deductible reserves	1,257			4,490
Amortization of intangibles	624			971
Other	858			10
	$	19,805		$	22,267
Deferred tax liabilities:
Expensing of housekeeping supplies	$	(6,752	)	$	(6,463	)
Depreciation of property and equipment	(2,568		)	(3,237		)
Other	(663		)	—
	$	(9,983	)	$	(9,700	)
Net deferred tax assets	$	9,822		$	12,567

Reconciliation of The Provision for Income Taxes

The tables below provide a reconciliation between the tax expense computed by applying the statutory federal income tax rate to income before income taxes and the provision for income taxes:

	Year Ended December 31,
	2016			2015			2014
	(in thousands)
Income tax expense computed at statutory rate	$	42,136		$	31,418		$	11,098
Increases (decreases) resulting from:
State income taxes, net of federal tax benefit	5,064			4,015			998
Federal jobs credits	(4,550		)	(3,900		)	(2,925		)
Tax exempt interest	(457		)	(132		)	(13		)
Other, net	798			339			700
Income tax expense	$	42,991		$	31,740		$	9,858