Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2016

Stockholders' Equity Note [Abstract]

Schedule of ordinary share activity

Ordinary share activity is summarized as follows:

	Nine months ended
	September 30, 2016		September 25, 2015
Ordinary shares issued (retired) as a result of:
Stock option exercises	417,153		1,207,919
Restricted stock grants	22,946		21,875
Restricted and performance stock units	493,644		238,974
Ordinary shares repurchased and retired	(1,672,535	)	(2,777,840	)

Schedule of dividend activity

Dividend activity is summarized as follows:

Nine months ended
September 30, 2016			September 25, 2015
Dividend Date	Cash Dividend Declared, per Ordinary Share		Dividend Date	Cash Dividend Declared, per Ordinary Share
September 9, 2016	0.150		September 4, 2015	0.125
June 3, 2016	$	0.125	May 29, 2015	$	0.125
April 1, 2016	$	0.125	March 27, 2015	$	0.125