Shareholders' Equity (Tables)

12 Months Ended

Dec. 28, 2018

Stockholders' Equity Note [Abstract]

Schedule of Ordinary Share Activity

The ordinary share activity for the years ended December 28, 2018 and December 29, 2017 is summarized as follows:

	Year ended
	December 28, 2018		December 29, 2017
Ordinary shares issued/(retired) as a result of:
Stock option exercises	38,500		59,000
Restricted stock awards	22,991		14,294
Restricted and performance stock units	351,856		251,303
Ordinary share repurchase and retirement	(730,532	)	(2,822,022	)

Schedule of Repurchase Activity

The following represents a summary of repurchase activity during years ended December 28, 2018 and December 29, 2017 (U.S. dollars in millions, except share and per share data):

	Year ended
	December 28, 2018					December 29, 2017
	Shares	USD		Average price per share		Shares	USD		Average price per share
Year ended:	730,532	$	29.4	$	40.26	2,822,022	$	142.0	$	50.31

Schedule of Dividends Declared

The following is a summary of the dividends declared per share for the years ended December 28, 2018 and December 29, 2017:

Year ended
December 28, 2018			December 29, 2017
Dividend Declared Date	Cash Dividend Declared, per Ordinary Share		Dividend Declared Date	Cash Dividend Declared, per Ordinary Share
December 7, 2018	$	0.15	December 8, 2017	$	0.15
September 7, 2018	$	0.15	September 8, 2017	$	0.15
June 1, 2018	$	0.15	June 2, 2017	$	0.15
March 30, 2018	$	0.15	March 31, 2017	$	0.15