Shareholders' Equity - Dividends (Details) - $ / shares							3 Months Ended		9 Months Ended
	Sep. 07, 2018	Jun. 01, 2018	Mar. 30, 2018	Sep. 08, 2017	Jun. 02, 2017	Mar. 31, 2017	Sep. 28, 2018	Sep. 29, 2017	Sep. 28, 2018	Sep. 29, 2017
Stockholders' Equity Note [Abstract]
Dividend Date	Sep. 07, 2018	Jun. 01, 2018	Mar. 30, 2018	Sep. 08, 2017	Jun. 02, 2017	Mar. 31, 2017
Cash Dividend Declared, per Ordinary Share (usd per share)	$ 0.15	$ 0.15	$ 0.15	$ 0.15	$ 0.150	$ 0.150	$ 0.15	$ 0.15	$ 0.45	$ 0.45