Stock-Based Compensation Plans and Employee Benefits - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended			12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Class Of Stock [Line Items]
Share-based payments award, number of shares available for grant				1,700,000
Common shares issued				100,000	100,000	100,000
Stock options outstanding				200,000	200,000	300,000
Stock options weighted-average price				$ 27.36	$ 27.31	$ 26.96
RSUs [Member]
Class Of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, shares granted				600,000	100,000	400,000
Restricted Stock [Member]
Class Of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, shares granted				571,000
Weighted-average fair value of the restricted stock				$ 12.48
Total unrecognized compensation cost granted				$ 12.3
Term of recognition of unrecognized stock option compensation cost				1 year 8 months 12 days
Restricted Stock [Member] | Minimum [Member]
Class Of Stock [Line Items]
Vesting period				3 years
Weighted-average fair value of the restricted stock				$ 7.87
Restricted Stock [Member] | Maximum [Member]
Class Of Stock [Line Items]
Vesting period				5 years
Weighted-average fair value of the restricted stock				$ 15.33
Performance-Based Restricted Share Units (PRSUs) [Member]
Class Of Stock [Line Items]
Common shares issued	559,559	519,255	570,295
Performance-based restricted share units, description				In 2023 and 2022, the Board of Directors approved grants to the Company’s four named executive officers and one additional officer. In 2021 and 2020, the Board of Directors approved grants to the chief executive officer and the chief financial officer. And in 2019 and 2018, the Board of Directors approved grants to the chief executive officer. These PRSUs cover a “target” number of shares, subject to three-year performance periods beginning on the respective March 1 and ending after a three-year period on the respective February 28. In addition, in 2020 the Board of Directors approved grants to the chief financial officer covering a “target” number of shares, subject to one-year, and two-year performance periods beginning on March 1, 2020.
Performance-based restricted share units, fair value equity and liability awards				$ 3.9	$ 3.9	$ 3.3
Share based compensation arrangement by share based payment award, mark to market adjustment						$ 5.6
Performance-Based Restricted Share Units (PRSUs) [Member] | Minimum [Member]
Class Of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, target				0.00%
Performance-Based Restricted Share Units (PRSUs) [Member] | Maximum [Member]
Class Of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, target threshold				200.00%