Income Taxes Income Tax Disclosure (Tables)

12 Months Ended

Dec. 31, 2011

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

For the years ended December 31, 2011, 2010 and 2009, income before income taxes is broken out between U.S. and foreign-sourced operations and consisted of the following (in thousands):

	2011		2010		2009
Domestic	$	21,123	$	10,551	$	26,918
Foreign	11,752		6,237		6,176
Total	$	32,875	$	16,788	$	33,094

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The components of the provision for income taxes for the years ended December 31, 2011, 2010 and 2009 consisted of the following (in thousands):

	2011		2010			2009
Current expense:
Federal	$	5,662	$	3,547		$	7,846
State	1,001		595			689
Foreign	1,491		740			238
Total current expense	8,154		4,882			8,773
Deferred expense (benefit):
Federal	1,121		30			1,264
State	74		(545		)	227
Foreign	482		(39		)	300
Total deferred expense (benefit)	1,677		(554		)	1,791
Total	$	9,831	$	4,328		$	10,564

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The difference between the income tax expense reported and amounts computed by applying the statutory federal rate of 35.0% to pretax income for the years ended December 31, 2011, 2010 and 2009 consisted of the following (in thousands):

	2011			2010			2009
Computed federal income tax expense at statutory rate of 35%	$	11,506		$	5,876		$	11,583
State income taxes	699			33			596
Tax credits	(778		)	(530		)	(670		)
Production activity deduction	(425		)	(355		)	(215		)
Foreign tax rate differential	(1,297		)	(1,212		)	(1,062		)
Uncertain tax positions	281			(372		)	114
Deferred compensation insurance assets	88			(133		)	(196		)
Transaction-related expenses	—			323			—
Other — including the effect of graduated rates	(243		)	698			414
Total income tax expense	$	9,831		$	4,328		$	10,564

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Deferred income tax assets and liabilities at December 31, 2011 and 2010, consisted of the following temporary differences and carry-forward items (in thousands):

	2011			2010
Deferred income tax assets:
Allowance for uncollectible accounts receivable	$	188		$	242
Accrued compensation expense	3,064			3,230
Inventory differences	364			1,796
Net operating loss carry-forwards	22,689			26,273
Deferred revenue	273			214
Stock-based compensation expense	2,166			1,923
Uncertain tax positions	1,052			577
Other	1,848			1,686
Total deferred income tax assets	31,644			35,941
Deferred income tax liabilities:
Prepaid expenses	(823		)	(493		)
Property and equipment	(17,236		)	(18,103		)
Intangible assets	(6,169		)	(9,320		)
Other	(97		)	(505		)
Total deferred income tax liabilities	(24,325		)	(28,421		)
Valuation allowance	(361		)	—
Net deferred income tax assets	$	6,958		$	7,520
Reported as:
Deferred income tax assets - Current	$	3,704		$	4,647
Deferred income tax assets - Long-term	5,366			4,140
Deferred income tax liabilities - Current	—			—
Deferred income tax liabilities - Long-term	(2,112		)	(1,267		)
Net deferred income tax assets	$	6,958		$	7,520

Summary of Income Tax Contingencies [Table Text Block]

A reconciliation of the beginning and ending amount of liabilities associated with uncertain tax positions for the years ended December 31, 2011, 2010 and 2009 consisted of the following (in thousands):

Tabular Roll-forward	2011			2010			2009
Unrecognized tax benefits, opening balance	$	2,952		$	2,790		$	2,668
Gross increases in tax positions taken in a prior year	347			518			163
Gross decreases in tax positions taken in a prior year	—			(51		)	(40		)
Gross increases in tax positions taken in the current year	865			520			710
Settlements with taxing authorities	(507		)	—			—
Lapse of applicable statute of limitations	(544		)	(825		)	(711		)
Unrecognized tax benefits, ending balance	$	3,113		$	2,952		$	2,790