Earnings Per Share And Shareholder's Equity (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of earnings per share

A reconciliation of the numerators and denominators used in our basic and diluted earnings per share ("EPS") calculation is as follows (in millions): 

	Year Ended
	December 31, 2021		December 31, 2020		December 31, 2019
Numerator:
Net income (loss)	$	(68.9)	$	(162.6)	$	146.1
Denominator:
Weighted average shares outstanding for basic EPS	133.6		136.1		136.0
Dilutive effect of share-based awards*	—		1.1		0.5
Weighted average shares outstanding for diluted EPS	133.6		137.2		136.5
Anti-dilutive share-based awards excluded from computation of diluted EPS*	—		—		1.5

* In the period of a loss from continuing operations, diluted shares equal basic shares.

Schedule of dividends payable

We paid dividends as follows:

	Year Ended
	December 31, 2021		December 31, 2020		December 31, 2019
Dividends paid (in millions)	$	129.6	$	123.9	$	112.4
Dividends paid (per share)	$	0.96	$	0.90	$	0.82