Earnings Per Share and Shareholders' Equity (Tables)

9 Months Ended

Sep. 26, 2020

Earnings Per Share [Abstract]

Schedule of Earnings per Share, Basic and Diluted

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

	Three Months Ended					Nine Months Ended
	September 26, 2020			September 28, 2019		September 26, 2020		September 28, 2019
Numerator:
Net income (loss)	$	(154.6	)	$	92.2	$	12.4	$	165.1
Denominator:
Weighted average shares outstanding for basic EPS	136.5			136.0		136.3		136.0
Dilutive effect of share-based awards*	—			0.8		1.2		0.4
Weighted average shares outstanding for diluted EPS	136.5			136.8		137.5		136.4
Anti-dilutive share-based awards excluded from computation of diluted EPS*	—			1.5		1.5		1.8

* In the period of a net loss, diluted shares equal basic shares.