Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 1,626,270		$ 1,626,270		$ 1,546,065
Amortization expense	27,800	$ 35,300	54,100	$ 68,600
Digital Media
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment loss			84,200		84,200
Digital Media | Operating Segments
Finite-Lived Intangible Assets [Line Items]
Goodwill	1,099,223		1,099,223		$ 1,016,880
Digital Media | Operating Segments | Digital Media Subsegment, One
Finite-Lived Intangible Assets [Line Items]
Goodwill	79,200		79,200
Digital Media | Operating Segments | Digital Media Subsegment, Two
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 98,100		$ 98,100