Earnings Per Share and Shareholders' Equity (Details) - USD ($) shares in Millions	3 Months Ended
Mar. 28, 2020	Mar. 30, 2019	Oct. 31, 2018
Numerator:
Net income	$ 106,400,000	$ 63,900,000
Denominator:
Weighted average shares outstanding for basic EPS	136.2	135.9
Dilutive effect of share-based awards (in shares)	1.1	0.3
Weighted average shares outstanding for diluted EPS	137.3	136.2
Anti-dilutive share-based awards excluded from computation of diluted EPS (shares)	1.7	2.1
Stock repurchase program, authorized amount			$ 1,000,000,000.0
Repurchases of ordinary shares (shares)	0.0	0.0

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount of stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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