Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Schedule of Reserve for Authorized But Unissued Shares of Common Stock

As of December 31, 2019, the Company had reserved the following authorized but unissued shares of common stock for future issuances:

Common stock options and restricted stock units	3,334,130
Common stock employee purchase plans	2,973,785
Total	6,307,915

Components of Accumulated Other Comprehensive Loss, Net of Tax

The changes in accumulated other comprehensive loss, net of tax, by components are as follows (in thousands):

	December 31, 2016			Net Change			December 31, 2017			Net Change			Cumulative Effect Adjustment			December 31, 2018			Net Change			December 31, 2019
Foreign currency translation adjustment ("CTA") gain (loss)	$	(1,031,129	)	$	454,269		$	(576,860	)	$	(421,743	)	$	—		$	(998,603	)	$	(58,315	)	$	(1,056,918	)
Unrealized gain (loss) on cash flow hedges (1)	30,704			(54,895		)	(24,191		)	43,671			—			19,480			(3,842		)	15,638
Net investment hedge CTA gain (loss) (1)	49,989			(235,292		)	(185,303		)	219,628			—			34,325			73,294			107,619
Unrealized gain (loss) on available for sale securities (2)	2,110			14			2,124			—			(2,124		)	—			—			—
Net actuarial gain (loss) on defined benefit plans (3)	(816		)	(143		)	(959		)	55			—			(904		)	(48		)	(952		)
	$	(949,142	)	$	163,953		$	(785,189	)	$	(158,389	)	$	(2,124	)	$	(945,702	)	$	11,089		$	(934,613	)

⁽¹⁾  Refer to Note 8 for a discussion of the amounts reclassified from accumulated other comprehensive loss to net income.

⁽²⁾  Upon adoption of ASU 2016-01 during the three months ended March 31, 2018, the Company recorded a net cumulative effect adjustment of $2.1 million from accumulated other comprehensive loss to retained earnings. The realized gains and losses reclassified from accumulated other comprehensive loss to net income as a result of sale of available for sale securities were not significant for the years ended December 31, 2017 and 2016.

⁽³⁾ 

The Company has a defined benefit pension plan covering all employees in one country where such plans are mandated by law. The Company does not have any defined benefit plans in any other countries. The unamortized gain (loss) on defined benefit plans includes gains or losses resulting from a change in the value of either the projected benefit obligation or the plan assets resulting from a change in an actuarial assumption, net of amortization.

Quarterly Dividend and Special Distributions

During the years ended December 31, 2019, 2018 and 2017, the Company's Board of Directors declared quarterly dividends whose treatment for federal income tax purposes were as follows:

Declaration Date	Record Date	Payment Date	Total Distribution (1)		Nonqualified Ordinary Dividend (2)		Total Distribution Amount
			(per share)				(in thousands)
Fiscal 2019
2/13/2019	2/27/2019	3/20/2019	$	2.460000	$	2.460000	$	198,933
5/1/2019	5/22/2019	6/19/2019	2.460000		2.460000		207,949
7/31/2019	8/21/2019	9/18/2019	2.460000		2.460000		209,226
10/30/2019	11/20/2019	12/11/2019	2.460000		2.460000		209,785
Total			$	9.840000	$	9.840000	$	825,893
Fiscal 2018
2/14/2018	2/26/2018	3/21/2018	$	2.280000	$	2.280000	$	180,640
5/2/2018	5/23/2018	6/20/2018	2.280000		2.280000		181,207
8/8/2018	8/22/2018	9/19/2018	2.280000		2.280000		182,304
11/1/2018	11/14/2018	12/12/2018	2.280000		2.280000		183,297
Total			$	9.120000	$	9.120000	$	727,448
Fiscal 2017
2/15/2017	2/27/2017	3/22/2017	$	2.000000	$	2.000000	$	143,275
4/26/2017	5/24/2017	6/21/2017	2.000000		2.000000		155,824
8/2/2017	8/23/2017	9/20/2017	2.000000		2.000000		156,055
11/1/2017	11/15/2017	12/13/2017	2.000000		2.000000		156,931
Total			$	8.000000	$	8.000000	$	612,085

⁽¹⁾  Common stock dividends are characterized for federal income tax purposes as nonqualified ordinary dividend, qualified ordinary dividend, capital gains or return of capital. During the years ended December 31, 2019, 2018 and 2017, the Company did not classify any portion of the distributions as qualified ordinary dividend, capital gains or return of capital.

⁽²⁾ 

All 2019 and 2018 nonqualified ordinary dividends are eligible for the 20% deduction generally allowable to non-corporate shareholders under Internal Revenue Code Section 199A.