INCOME TAX (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Income Tax Provision (Benefit) on Income from Operations

The income tax provision (benefit) on income from operations consists of the following:

	Years ended December 31,
	2013			2012			2011
Current:
Federal	$	25,625		$	19,113		$	17,239
State		2,590			1,976			2,233
		28,215			21,089			19,472
Deferred		(1,497	)		(215	)		(2,916	)
	$	26,718		$	20,874		$	16,556

Reconciliation of U.S. Statutory Income Tax Rate to Effective Income Tax Expense Rate

Reconciliation of the U.S. statutory income tax rate to our effective income tax expense rate for operations follows:

	Years ended December 31,
	2013		2012			2011
Federal income tax expense at statutory rate	$	23,037	$	18,854		$	15,440
State income tax, net of federal income tax benefit		2,371		1,365			1,238
Non-deductible business expenses		1,110		1,087			918
Qualified manufacturing activities		—		(717	)		(840	)
Research and development credit		—		—			(177	)
Other, net		200		285			(23	)
	$	26,718	$	20,874		$	16,556

Schedule of Deferred Tax Assets and Liabilities

The tax effects of the major items recorded as deferred tax assets and liabilities as of December 31 are:

	2013			2012
Deferred income tax assets:
Operating expenses not currently deductible	$	7,360		$	5,372
Stock option and other employee benefit plans		7,089			6,097
Capital loss and credit carryforward		185			275
Property and equipment		149			570
Total deferred income tax assets		14,783			12,314
Deferred income tax liabilities:
Intangible assets		(12,910	)		(11,838	)
Other		(173	)		(153	)
Total deferred income tax liabilities		(13,083	)		(11,991	)
Net deferred income tax asset	$	1,700		$	323