Stock-based Compensation Expense and Share Repurchase Programs (Tables)

6 Months Ended

Jun. 30, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Stock-based Compensation Expense by Line Item

During the three and six months ended June 30, 2021 and 2020, the Company recognized the following stock-based compensation expense:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(in thousands)
Stock-based compensation expense by type of award:
Restricted stock units (including PSUs) and restricted stock	$	88,847	$	98,419	$	189,673	$	195,568
Stock options	11,109		16,847		21,705		34,113
ESPP share issuances	5,959		2,855		11,574		5,340
Stock-based compensation expense related to inventories	(1,293)		(932)		(3,156)		(2,126)
Total stock-based compensation expense included in costs and expenses	$	104,622	$	117,189	$	219,796	$	232,895
Stock-based compensation expense by line item:
Cost of sales	$	1,540	$	1,387	$	2,971	$	2,748
Research and development expenses	62,615		70,275		135,417		142,962
Selling, general and administrative expenses	40,467		45,527		81,408		87,185
Total stock-based compensation expense included in costs and expenses	104,622		117,189		219,796		232,895
Income tax effect	(20,856)		(31,151)		(52,107)		(95,397)
Total stock-based compensation expense, net of tax	$	83,766	$	86,038	$	167,689	$	137,498