Earnings Per Share - Potentially Dilutive Securities (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Common Stock options | Common stock
Incremental Weighted Average Shares Attributable to Dilutive Effect
Antidilutive securities excluded from computation of diluted earnings per share (shares)	1,707,245	1,678,874	1,800,778	1,711,275
Restricted stock units
Incremental Weighted Average Shares Attributable to Dilutive Effect
Antidilutive securities excluded from computation of diluted earnings per share (shares)	419,097	40,707	396,631	201,254
Performance share units
Incremental Weighted Average Shares Attributable to Dilutive Effect
Antidilutive securities excluded from computation of diluted earnings per share (shares)	270,827	11,525	306,526	299,856