Earnings Per Share and Shareholders' Equity (Details) - USD ($) shares in Millions	3 Months Ended				6 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019	Mar. 30, 2019	Jun. 27, 2020	Jun. 29, 2019	Oct. 31, 2018
Numerator:
Net income	$ 60,600,000	$ 106,400,000	$ 9,000,000.0	$ 63,900,000	$ 167,000,000.0	$ 72,900,000
Denominator:
Weighted average shares outstanding for basic EPS	136.4		136.0		136.3	136.0
Dilutive effect of share-based awards (in shares)	1.1		0.5		1.0	0.3
Weighted average shares outstanding for diluted EPS	137.5		136.5		137.3	136.3
Anti-dilutive share-based awards excluded from computation of diluted EPS (shares)	1.5		1.7		1.5	1.8
Stock repurchase program, authorized amount							$ 1,000,000,000.0
Repurchases of ordinary shares (shares)	0.0		0.0		0.0	0.0