CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 26, 2022	Jun. 30, 2023	Jun. 26, 2022
Revenues
Total revenues	$ 590,853	$ 555,680	$ 1,151,592	$ 1,093,105
Operating costs
Cost of revenue (excluding depreciation and amortization)	309,923	300,583	616,775	581,948
Sales and marketing	62,241	62,769	129,275	140,357
Product development	56,047	50,822	113,109	98,255
General and administrative	72,273	69,141	153,324	140,498
Depreciation and amortization	21,858	20,704	42,698	39,390
Total operating costs	522,342	504,019	1,055,181	1,000,448
Acquisition-related costs	0	0	0	34,712
Lease-related impairment charge	12,736	0	12,736	0
Operating profit	55,775	51,661	83,675	57,945
Other components of net periodic benefit (income)/costs	(684)	1,624	(1,369)	3,146
Interest income and other, net	4,517	35,604	7,690	36,679
Income before income taxes	60,976	85,641	92,734	91,478
Income tax expense	14,402	23,864	23,839	24,976
Net income	$ 46,574	$ 61,777	$ 68,895	$ 66,502
Average number of common shares outstanding:
Basic (in shares)	164,714	167,636	164,844	167,816
Diluted (in shares)	165,037	167,636	165,325	167,816
Basic earnings per share attributable to common stockholders
Basic earnings per share attributable to common stockholders (in usd per share)	$ 0.28	$ 0.37	$ 0.42	$ 0.40
Diluted earnings per share attributable to common stockholders
Diluted earnings per share attributable to common stockholders (in usd per share)	0.28	0.37	0.42	0.40
Dividends declared per share (in usd per share)	$ 0.11	$ 0	$ 0.22	$ 0.09
Subscription
Revenues
Total revenues	$ 409,590	$ 383,619	$ 807,132	$ 755,598
Advertising
Revenues
Total revenues	117,770	117,379	224,011	233,649
Other
Revenues
Total revenues	$ 63,493	$ 54,682	$ 120,449	$ 103,858