Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

Notes To Financial Statements [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

Consolidated Balance Sheet line items, which reflect the adoption of the ASU 2014-09 are as follows (in thousands):

	December 31, 2017
	As Previously Reported		Adjustment			As Adjusted
Asset Accounts:
Accounts receivable, net	$	322,825	$	1,364		$	324,189
Deferred tax assets	50,059		(725		)	49,334
Other assets	38,379		5,514			43,893
Liability and Stockholders’ Equity Accounts:
Accrued liabilities	$	194,198	$	1,364		$	195,562
Deferred revenues	266,842		871			267,713
Retained earnings	263,356		3,918			267,274

Condensed Consolidated Statement of Cash Flows line items, which reflect the adoption of the ASU 2016-18, are as follows (in thousands):

	Six Months Ended June 30, 2017
	As Previously Reported			Adjustment			As Adjusted
Cash Flows from Investing Activities
Other investing activities	$	224		$	(3,164	)	$	(2,940	)
Net cash used in investing activities	(108,554		)	(3,164		)	(111,718		)
Effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash	3,613			27			3,640
Net decrease in cash, cash equivalents, and restricted cash	(31,093		)	(3,137		)	(34,230		)
Cash, cash equivalents, and restricted cash at beginning of the period	389,275			3,744			393,019
Cash, cash equivalents, and restricted cash at end of the period	$	358,182		$	607		$	358,789