(LOSS) EARNINGS PER COMMON SHARE - Computation of Basic and Diluted Earnings (Loss) Per Share (Detail) - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Weighted average common shares outstanding - basic (in shares)	91.9	91.5	91.8	91.4
Incremental shares outstanding related to stock-based awards (in shares)	0.0	0.0	0.0	0.0
Weighted average common shares outstanding - diluted (in shares)	91.9	91.5	91.8	91.4