Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Components Of The Provision For Income Taxes

The components of the provision for income taxes are as follows:

	Year Ended December 31,
(In thousands)	2015		2014		2013
Current:
Federal	$	120,437	$	123,598	$	74,202
State	21,248		15,858		15,635
	141,685		139,456		89,837
Deferred:
Federal	38,549		21,542		28,593
State	5,093		4,002		4,143
	43,642		25,544		32,736
Total provision for income taxes	$	185,327	$	165,000	$	122,573

Schedule Of Effective Income Tax Reconciliation Of The U.S. Statutory Federal Income Tax Rates

2015, 2014 and 2013:

	Year Ended December 31,
(In thousands)	2015			2014			2013
Tax provision at statutory rate	$	171,506		$	151,380		$	115,040
State income taxes, net of federal benefit	17,097			14,120			12,083
Meals and entertainment disallowance	1,035			959			872
Tax credits	(3,036		)	(1,307		)	(5,422		)
Other, net	(1,275		)	(152		)	—
Total provision for income taxes	$	185,327		$	165,000		$	122,573

Schedule Of Deferred Tax Assets And Liabilities

Deferred tax assets and liabilities consist of the following:

	December 31,
(In thousands)	2015			2014
Deferred tax assets:
Claims and insurance reserves	$	41,576		$	36,690
Allowance for doubtful accounts	1,730			2,161
Accrued vacation	22,174			19,291
Deferred compensation	33,382			28,648
Other	12,008			12,924
Total deferred tax assets	110,870			99,714
Valuation allowance	—			(559		)
Net deferred tax assets	110,870			99,155
Deferred tax liabilities:
Depreciation and amortization	(334,379		)	(279,324		)
Unrecognized revenue	(10,062		)	(9,506		)
Other	(1,483		)	(1,737		)
Total deferred tax liabilities	(345,924		)	(290,567		)
Net deferred tax liability	$	(235,054	)	$	(191,412	)