Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Income from continuing operations	$ 31,260	$ 8,613	$ 89,391	$ 58,829
Basic
Weighted average common shares outstanding (in shares)	51,911,000	52,874,000	52,015,000	53,119,000
Diluted
Stock options (in shares)	508,000	676,000	564,000	733,000
Restricted stock units and awards (in shares)	112,000	182,000	157,000	220,000
Contingent shares (in shares)	0	37,000	0	37,000
Diluted weighted average common shares outstanding (in shares)	52,531,000	53,769,000	52,736,000	54,109,000
Basic earnings per share from continuing operations (in dollars per share)	$ 0.60	$ 0.16	$ 1.72	$ 1.11
Diluted earnings per share from continuing operations (in dollars per share)	$ 0.60	$ 0.16	$ 1.70	$ 1.09
Share-based payment arrangement
Dilutive Securities Included And Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Share based awards excluded from the calculation of diluted earnings per share (in shares)	17,000	0	86,000	5,000
Performance share units
Dilutive Securities Included And Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Share based awards excluded from the calculation of diluted earnings per share (in shares)	360,000	447,000	360,000	447,000