Significant Accounting Policies - Schedule of Basic Weighted Average Shares Reconciles to Diluted Weighted Average Shares Outstanding (Details) - shares shares in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Basic weighted average common shares outstanding (in shares)	76.0	75.7	75.6
Dilutive effect of stock options, restricted stock and performance share units (in shares)	0.4	0.7	0.9
Diluted weighted average common shares outstanding (in shares)	76.4	76.4	76.5