Stock-Based Compensation Plans (Summary Of Compensation Expense and Tax Benefits) (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
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Compensation expense	$ 1,248	$ 1,442		$ 2,628	$ 19,692
Related income taxes	(60)	(335)		(610)	(4,569)
Total compensation expense, net of income taxes	1,188	1,107		2,018	15,123
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Compensation expense		2,071
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Compensation expense	0			94	2,743
Restricted Stock Units R S U [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Compensation expense	1,170	639		4,144	15,716
Cash Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Compensation expense	0			(56)	298
Performance Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Compensation expense	$ 78	$ (1,268)	[1]	$ (1,554)	$ 935

[1] The PSU's related to the performance period ended December 31, 2021 were canceled due to not achieving the required performance.