Shareholders' Equity - Narrative (Details) - USD ($)							3 Months Ended		9 Months Ended
	Oct. 27, 2020	Sep. 04, 2020	Jun. 05, 2020	Mar. 27, 2020	Sep. 06, 2019	Feb. 21, 2018	Sep. 25, 2020	Sep. 27, 2019	Sep. 25, 2020	Sep. 27, 2019	Dec. 27, 2019
Class of Stock [Line Items]
Preferred shares, shares authorized (shares)							50,000,000		50,000,000		50,000,000
Preferred shares, par value (usd per share)							$ 0.01		$ 0.01		$ 0.01
Preferred shares, issued (shares)							0		0		0
Preferred shares, outstanding (shares)							0		0		0
Ordinary shares, authorized (shares)							200,000,000		200,000,000		200,000,000
Ordinary shares, par value (usd per share)							$ 0.01		$ 0.01		$ 0.01
Ordinary shares, issued (shares)							47,366,877		47,366,877		48,014,628
Ordinary shares, outstanding (shares)							47,366,877		47,366,877		48,014,628
Stock Repurchase Program:
Duration of share repurchase program						3 years
Stock repurchase program, ordinary shares authorized						$ 300,000,000.0
Stock repurchase program, value of ordinary shares repurchased and retired							$ 58,300,000		$ 58,300,000
Stock repurchase program, ordinary shares repurchased and retired (shares)							2,294,829		2,294,829
Stock repurchase program, remaining authorized repurchase amount							$ 241,700,000		$ 241,700,000
Payments of dividends, common stock									$ 9,600,000	$ 2,900,000
Common Stock, Dividends, Per Share, Declared		$ (0.050)	$ (0.050)	$ (0.100)	$ (0.060)		$ (0.05)	$ (0.06)	$ (0.20)	$ (0.06)
Subsequent Event
Stock Repurchase Program:
Common Stock, Dividends, Per Share, Declared	$ (0.10)