Quarterly Results of Operations

12 Months Ended

Dec. 31, 2021

Quarterly Financial Information Disclosure [Abstract]

Quarterly Results of Operations

14. QUARTERLY RESULTS OF OPERATIONS (unaudited):

	2021												2020
	First			Second			Third			Fourth			First			Second			Third			Fourth
	Quarter			Quarter			Quarter			Quarter			Quarter			Quarter			Quarter			Quarter
	(in thousands, except per share data)
Operating revenues	$	478,423		$	498,180		$	517,099		$	549,842		$	416,780		$	409,616		$	425,333		$	443,661
Cost of revenues		85,780			87,327			89,674			95,903			74,609			70,456			70,704			75,935
Selling and marketing		56,467			58,191			59,819			68,708			55,549			51,617			52,668			56,662
Research and development		24,862			27,531			28,352			30,819			26,562			22,534			24,901			27,056
General and administrative		34,728			30,182			38,110			44,873			30,833			28,309			27,613			27,872
Amortization of intangible assets		15,068			30,396			14,105			21,023			13,776			14,062			14,333			14,770
Depreciation and amortization of    property, equipment and    leasehold improvements		7,143			7,020			6,809			7,929			7,567			7,463			7,494			7,281
Total operating expenses		224,048			240,647			236,869			269,255			208,896			194,441			197,713			209,576
Operating income		254,375			257,533			280,230			280,587			207,884			215,175			227,620			234,085
Interest income		(386	)		(347	)		(396	)		(368	)		(3,483	)		(771	)		(475	)		(301	)
Interest expense		37,584			39,557			42,137			40,336			40,231			41,227			37,536			37,330
Other expense (income)		1,149			22,628			37,839			(5,144	)		8,287			35,552			1,516			1,890
Other expense (income), net		38,347			61,838			79,580			34,824			45,035			76,008			38,577			38,919
Income before provision for    income taxes		216,028			195,695			200,650			245,763			162,849			139,167			189,043			195,166
Provision for income taxes		19,209			30,272			30,774			51,898			14,724			24,044			6,685			38,950
Net income	$	196,819		$	165,423		$	169,876		$	193,865		$	148,125		$	115,123		$	182,358		$	156,216
Earnings per basic common    share	$	2.38		$	2.01		$	2.06		$	2.35		$	1.75		$	1.38		$	2.18		$	1.89
Earnings per diluted common    share	$	2.36		$	1.99		$	2.03		$	2.32		$	1.73		$	1.36		$	2.16		$	1.87
Weighted average shares outstanding        used in computing per share data
Basic		82,640			82,454			82,470			82,473			84,870			83,666			83,602			82,737
Diluted		83,493			83,295			83,554			83,578			85,548			84,349			84,479			83,707