Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Weighted average common shares outstanding (in shares)	36.7	36.2	36.6	36.2
Effect of dilutive securities (primarily stock options) (in shares)	1.1	1.2	1.2	1.1
Weighted average diluted common shares outstanding (in shares)	37.8	37.4	37.8	37.3