Income Taxes (Tables)

12 Months Ended

Sep. 30, 2014

Income Taxes

Schedule of provision for income taxes

The provision for income taxes for the fiscal years 2014, 2013 and 2012 consists of the following (in thousands):

	Year Ended September 30,
	2014			2013			2012
Current:
Federal	$	121,418		$	113,057		$	97,866
Foreign		9,414			9,997			10,925
State		14,637			17,727			16,692
Total current portion		145,469			140,781			125,483
Deferred:
Federal		(335	)		13,932			4,920
Foreign		(895	)		(2,822	)		(2,888	)
State		447			(375	)		364
Total deferred portion		(783	)		10,735			2,396
Total provision for income taxes	$	144,686		$	151,516		$	127,879

Schedule of the difference between U.S. statutory federal income tax rate and the effective income tax rate

	Year Ended September 30,
	2014			2013			2012
Statutory tax rate		35.0	%		35.0	%		35.0	%
State income taxes, net of federal tax benefit		2.7			2.8			3.4
Effect of foreign operations		(0.5	)		(0.6	)		(0.4	)
Effect of limited restructuring		—			—			(2.8	)
Other, net		(0.2	)		(0.5	)		0.2
Effective tax rate		37.0	%		36.7	%		35.4	%

Schedule of the tax effects of temporary differences that give rise to the Company's deferred tax assets and liabilities

The tax effects of temporary differences that give rise to the Company's deferred tax assets and liabilities are as follows (in thousands):

	September 30,
	2014			2013
Deferred tax assets attributable to:
Share-based compensation expense	$	22,984		$	20,668
Accrued liabilities		27,074			26,817
Inventory adjustments		2,450			3,771
Foreign loss carryforwards		31,882			28,776
Unrecognized tax benefits		370			437
Other		3,874			3,408
Total deferred tax assets		88,634			83,877
Valuation allowance		(29,926	)		(26,073	)
Total deferred tax assets, net		58,708			57,804
Deferred tax liabilities attributable to:
Depreciation and amortization		102,032			99,259
Total deferred tax liabilities		102,032			99,259
Net deferred tax liability	$	43,324		$	41,455

Schedule of changes in the amount of unrecognized tax benefits

The changes in the amount of unrecognized tax benefits for the fiscal years ended September 30, 2014 and 2013 are as follows (in thousands):

	2014			2013
Balance at beginning of the fiscal year	$	4,823		$	7,941
Increases related to prior year tax positions		4			26
Decreases related to prior year tax positions		(2,094	)		(1	)
Increases related to current year tax positions		300			218
Lapse of statute		(166	)		(3,361	)
Balance at end of fiscal year	$	2,867		$	4,823