Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Provision for income taxes

The provision for income taxes is comprised of the following (in thousands):

	For the Years Ended December 31,
	2015			2014			2013
Federal:
Current	$	59,792		$	61,688		$	54,915
Deferred	48,962			8,394			16,150
	108,754			70,082			71,065
State:
Current	13,584			12,965			11,156
Deferred	9,184			1,013			3,017
	22,768			13,978			14,173
Foreign:
Current	5,445			3,372			3,318
Deferred	(1,424		)	(554		)	(1,103		)
	4,021			2,818			2,215
	$	135,543		$	86,878		$	87,453

Net deferred income tax assets (liabilities)

The net deferred income tax assets (liabilities) at December 31, 2015 and 2014 are comprised of the following (in thousands):

	December 31,
	2015			2014
Accounts receivable	$	8,754		$	7,977
State taxes	5,482			2,632
Other liabilities and reserves	24,947			21,878
Other assets	34,731			33,606
Inventory	1,360			1,271
Net operating loss carryforwards	26,256			27,610
Share-based compensation	5,415			6,615
Intangible assets	(201,350		)	(138,214		)
Property and equipment	(24,419		)	(22,753		)
Unrealized loss on investments	—			(3		)
Valuation allowance	(12,654		)	(13,790		)
Total non-current deferred income tax liabilities	$	(131,478	)	$	(73,171	)

Reconciliation of provision for income taxes to the amount computed at the Federal statutory rate

A reconciliation of the provision for income taxes to the amount computed at the Federal statutory rate is as follows:

	For Years Ended December 31,
	2015		2014		2013
Federal income tax at statutory rate	35.0	%	35.0	%	35.0	%
State taxes, net of Federal benefit	4.3		4.1		4.2
Goodwill impairment	0.3		0.2		—
Foreign rate differential	(0.4	)	(0.4	)	(0.4	)
Miscellaneous	(0.1	)	0.2		0.1
	39.1	%	39.1	%	38.9	%