Income Taxes (Tables)

12 Months Ended

Jun. 30, 2012

Income Taxes [Abstract]

Schedule of income before income tax and noncontrolling interest

The sources of income before provision for income taxes and income attributable to noncontrolling interest for the years ended June 30, 2012, 2011, and 2010 were as follows:

			2012	2011	2010
U.S. operations		$	73,859	87,096	21,865
Non-U.S. operations			12,777	5,618	32,942
	Total	$	86,636	92,714	54,807

Schedule of components of current and deferred income tax expense

The components of current and deferred income tax expense are as follows:

				2012	2011	2010
Current:
	Federal		$	13,506	16,113	10,471
	State			1,996	1,982	2,686
	Foreign			3,946	4,355	14,446
		Total current		19,448	22,450	27,603
Deferred:
	Federal			8,257	12,622	(3,745)
	State			1,244	1,107	(3,315)
	Foreign			(189)	(191)	(4)
		Total deferred		9,312	13,538	(7,064)
		Total provision for income taxes	$	28,760	35,988	20,539

Effective income tax rate reconciliation

The following is a reconciliation, stated in percentage, of the U.S. statutory federal income tax rate to our effective tax rate for the years ended June 30, 2012, 2011, and 2010:

		2012	2011	2010
Federal statutory rate		35.0%	35.0%	35.0%
State taxes, net of federal benefit		2.4	2.6	(3.6)
Foreign tax holiday and rate differential		(1.8)	0.7	2.3
Change in valuation allowance		1.1	(0.2)	5.5
Domestic production activities deduction		(1.9)	(1.7)	(1.2)
Other items		(1.6)	2.4	(0.5)
	Effective tax rate	33.2%	38.8%	37.5%

Schedule of components of deferred tax assets and deferred tax liabilities

Significant components of the Company's deferred tax assets and deferred tax liabilities at June 30, 2012 and 2011 consist of the following:

				2012	2011
Deferred tax assets:
	Inventories		$	3,676	2,414
	Accounts receivable			198	139
	Accruals			9,322	6,673
	Deferred Revenue			178	298
	Net operating losses and other carryforwards			16,223	17,999
	Other assets			901	259
	Share-based compensation			5,104	4,868
		Gross deferred tax assets		35,602	32,650
	Valuation allowance			(10,340)	(8,754)
		Net deferred tax assets		25,262	23,896
Deferred tax liabilities:
	Fixed assets			(46,257)	(39,340)
	Prepaid expenses			(1,861)	(899)
	Intangibles			(1,147)	(974)
		Total deferred tax liabilities		(49,265)	(41,213)
		Net deferred tax liabilities	$	(24,003)	(17,317)

Summary of net operating loss carryforwards

The Company has tax benefits for net operating loss carry forwards (NOLs), a portion of which are subject to various limitations, which expire at various dates in the future. The Company's NOLs and expiration dates at June 30, 2012 are as follows:

		Amount	Expires
Federal	$	23,204	2024 through 2026
State		105,123	2013 through 2031
Foreign		9,074	2013 through 2021

Summary of deferred tax asset valuation allowance

The total valuation allowance at June 30, 2012, 2011, and 2010 is $10,340, $8,754, and $13,497, respectively, and consists of the following:

		2012	2011	2010
Federal NOLs	$	4,100	4,100	3,848
State NOLs		857	819	1,055
Foreign NOLs		2,787	1,229	5,781
Federal credits		236	235	463
State credits		2,360	2,371	2,350
Total	$	10,340	8,754	13,497

Schedule of unrecognized tax benefits, excluding interest and penalties rollforwrd

General accounting principles relating to uncertain income tax positions prescribe a minimum recognition threshold a tax position is required to meet before being recognized, and provides guidance on the derecognition, measurement, classification and disclosure relating to income taxes. The following is a tabular reconciliation of the total amount of unrecognized tax benefits for the year, excluding interest and penalties:

		2012	2011	2010
Balance at the beginning of the year	$	774	2,039	—
Gross increases for prior year tax positions		—	206	2,039
Gross decreases for prior year tax positions		(252)	(1,471)	—
Balance at the end of the year	$	522	774	2,039