Segment Information (Schedule Of Revenues By Geographic Segment) (Details) - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Feb. 02, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 45,928	$ 648,754	$ 667,249	$ 972,052
Long-lived assets		356,274	408,107
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	23,863	304,623	339,041	585,553
Long-lived assets		231,388	253,114
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 22,065	344,131	328,208	$ 386,499
Long-lived assets		$ 124,886	$ 154,993