Shareholders' Equity - Dividends (Details) - $ / shares							3 Months Ended		9 Months Ended
	Sep. 08, 2017	Jun. 02, 2017	Mar. 31, 2017	Sep. 09, 2016	Jun. 03, 2016	Apr. 01, 2016	Sep. 29, 2017	Sep. 30, 2016	Sep. 29, 2017	Sep. 30, 2016
Stockholders' Equity Note [Abstract]
Dividend Date	Sep. 08, 2017	Jun. 02, 2017	Mar. 31, 2017	Sep. 09, 2016	Jun. 03, 2016	Apr. 01, 2016
Cash Dividend Declared, per Ordinary Share (usd per share)	$ 0.15	$ 0.150	$ 0.150	$ 0.15	$ 0.125	$ 0.125	$ 0.150	$ 0.150	$ 0.45	$ 0.400