Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Taxes [Abstract]

Schedule Of Earnings Before Income Taxes

	For the Years Ended December 31,
		2017		2016		2015
Domestic	$	268,714	$	227,875	$	187,200
International		112,343		93,971		85,941
	$	381,057	$	321,846	$	273,141

Schedule Of Components Of Provision (Benefit) For Income Taxes

	For the Years Ended December 31,
		2017		2016		2015
Current
Federal	$	92,453	$	53,285	$	52,966
State		9,258		6,608		5,353
International		23,993		19,291		17,681
		125,704		79,184		76,000
Deferred
Federal		(1,201)		20,305		5,762
State		(4,102)		1,196		526
International		(2,613)		(893)		(1,282)
		(7,916)		20,608		5,006
	$	117,788	$	99,792	$	81,006

Schedule Of Effective Income Tax Rate Reconciliation

	For the Years Ended December 31,
		2017		2016		2015
U.S. federal statutory rate		35.0	%	35.0	%	35.0	%
State income tax, net of federal tax benefit		1.9		1.8		1.6
International income taxes		(5.5)		(4.8)		(5.3)
Shares-based compensation from settlements (1)		(6.7)		-		-
Domestic manufacturing exclusions		(1.1)		(1.0)		(1.5)
Research and development credit		(0.9)		(0.8)		(1.2)
Impact of the Tax Cuts and Jobs Act		9.4		-		-
State income tax carryforwards		(1.4)		-		-
Other, net		0.2		0.8		1.1
Effective tax rate		30.9	%	31.0	%	29.7	%

(1) See Note 2(w) for the impact of the adoption of ASU 2016-09.

Schedule Of Components Of Net Deferred Tax Assets And Liabilities

	December 31, 2017		December 31, 2016
Assets
Accrued expenses	$	13,843	$	22,145
Accounts receivable reserves		2,624		2,715
Deferred revenue		10,618		13,400
Inventory basis differences		3,039		3,959
Property-based differences		1,324		1,382
Share-based compensation		9,035		13,021
Other		918		678
Net operating loss carryforwards		3,350		4,182
Tax credit carryforwards		8,096		-
Unrealized losses on foreign currency exchange contracts, interest rate swaps and investments		2,355		148
Total assets		55,202		61,630
Valuation allowance		(6,211)		(4,891)
Total assets, net of valuation allowance		48,991		56,739
Liabilities
Deferred instrument costs		(20,399)		(24,142)
Property-based differences		(31,859)		(43,159)
Intangible asset basis differences		(13,574)		(17,672)
Other		(656)		(771)
Unrealized gains on foreign currency exchange contracts, interest rate swaps and investments		(158)		(4,575)
Total liabilities		(66,646)		(90,319)
Net deferred tax assets (liabilities)	$	(17,655)	$	(33,580)

Schedule Of Changes In Unrecognized Tax Benefits

	For the Years Ended December 31,
		2017		2016		2015
Total amounts of unrecognized tax benefits, beginning of period	$	18,463	$	7,204	$	5,942
Gross increases in unrecognized tax benefits as a result of tax positions taken during a prior period		74		75		47
Gross increases in unrecognized tax benefits as a result of tax positions taken in the current period		4,681		12,657		1,569
Decreases in unrecognized tax benefits relating to settlements with taxing authorities		(713)		(1,326)		-
Decreases in unrecognized tax benefits as a result of a lapse of the applicable statutes of limitations		(1,088)		(147)		(354)
Total amounts of unrecognized tax benefits, end of period	$	21,417	$	18,463	$	7,204