Earnings (Loss) Per Share - Calculations of Earnings (Loss) Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Basic earnings (loss) per Common Share:
Income from continuing operations, net of tax	$ 3,262	$ 26,143	$ 21,733	$ 30,443
(Loss) income from discontinued operations, net of tax	(67,288)	(4,217)	(62,902)	540
Net (loss) income	$ (64,026)	$ 21,926	$ (41,169)	$ 30,983
Weighted-average common shares outstanding	114,251	136,647	115,052	138,409
Basic earnings from continuing operations per Common Share	$ 0.03	$ 0.19	$ 0.19	$ 0.22
Basic (loss) earnings from discontinued operations per Common Share	(0.59)	(0.03)	(0.55)	0.00
Net (loss) earnings per Common Share - Basic	$ (0.56)	$ 0.16	$ (0.36)	$ 0.22
Diluted earnings (loss) per Common Share:
Income from continuing operations	$ 3,262	$ 26,143	$ 21,733	$ 30,443
Plus: Interest expense, net of tax, associated with 0.875% Convertible Senior Notes	507	0	1,013	0
Income (loss) from continuing operations, net of tax after the effect of assumed conversions	3,769	26,143	22,746	30,443
(Loss) income from discontinued operations, net of tax	$ (67,288)	$ (4,217)	$ (62,902)	$ 540
Weighted-average common shares outstanding	114,251	136,647	115,052	138,409
Plus: Dilutive effect of restricted stock unit awards, convertible notes and warrants	4,452	8,624	21,670	8,839
Weighted-average common shares outstanding assuming dilution	118,703	145,271	136,722	147,248
Diluted earnings from continuing operations per Common Share	$ 0.03	$ 0.18	$ 0.17	$ 0.21
Diluted (loss) earnings from discontinued operations per Common Share	(0.57)	(0.03)	(0.46)	0.00
Net (loss) earnings per Common Share - Diluted	$ (0.54)	$ 0.15	$ (0.29)	$ 0.21