Income Taxes (Tables)

12 Months Ended

Sep. 30, 2016

Income Taxes

Components of Income Tax Expense (Benefit)

		Year Ended September 30,
		2016		2015		2014
Current:
	Federal	$	81,127	$	23,923	$	48,327
	State		6,067		3,108		5,752
	Foreign		9,689		18,343		16,594
Deferred:
	Federal		(40,801)		19,236		(4,378)
	State		(9,054)		751		(2,966)
	Foreign		(1,380)		(5,864)		(1,929)
		$	45,648	$	59,497	$	61,400

Earnings Before Income Taxes by Geographical Area

	Year Ended September 30,
	2016		2015		2014
United States	$	175,146	$	172,315	$	148,837
Other countries		51,340		68,634		78,407
	$	226,486	$	240,949	$	227,244

Composition of Deferred Income Taxes

		At September 30,
		2016		2015
Deferred tax assets:
	Defined benefit plans, other postretirement	$	13,017	$	12,878
	Foreign net operating loss carryforwards		5,255		6,537
	Inventory		27,332		21,651
	Deferred and stock-based compensation		34,388		31,310
	Defined benefit plans, pension		8,955		4,217
	Deferred revenue		92,213		-
	Other reserves		13,968		9,289
	Tax credits and incentives		7,744		9,162
	Other		7,411		5,963
	Valuation allowance		(3,317)		(6,804)
	Total deferred tax assets, net of valuation allowance		206,966		94,203
Deferred tax liabilities:
	Goodwill and intangibles - net		(99,030)		(98,906)
	Property, plant and equipment		(88,986)		(34,625)
	Other		(2,533)		(3,981)
	Total deferred tax liabilities		(190,549)		(137,512)
Net deferred tax assets (liabilities)		$	16,417	$	(43,309)

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

	Year Ending September 30,
Percent of pretax earnings	2016		2015		2014
Statutory tax rate	35.0	%	35.0	%	35.0	%
State income taxes, net of federal tax benefit	0.4		1.2		1.3
Taxes on international activities	(2.2)		(3.8)		(3.7)
Research credit	(3.6)		(0.8)		(0.7)
Retroactive extension of research credit	(3.2)		(2.4)		-
Net excess income tax benefit from stock-based compensation	(2.6)		-		-
Domestic production activities deduction	(2.1)		(1.6)		(1.3)
Adjustments of prior period tax items	(0.2)		(2.1)		(2.9)
Other items, net	(1.3)		(0.8)		(0.7)
Effective tax rate	20.2	%	24.7	%	27.0	%

Reconciliation of the Beginning and Ending Amounts of Gross Unrecognized Tax Benefits

	Year Ending September 30,
	2016		2015		2014
Beginning balance	$	21,469	$	22,687	$	22,694
Additions to current year tax positions		3,588		2,234		8,830
Reductions to prior year tax positions		(2,292)		(7,785)		(9,684)
Additions to prior year tax positions		761		5,124		1,844
Lapse of applicable statute of limitations		-		(791)		(997)
Ending balance	$	23,526	$	21,469	$	22,687