Shareholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended		3 Months Ended	6 Months Ended
	May 05, 2010	Jul. 31, 2009	Jun. 27, 2014	Jun. 27, 2014	Jun. 28, 2013	Dec. 27, 2013
Stockholders' Equity Note [Abstract]
Preferred Stock, Shares Issued			0	0		0
Preferred Stock, Shares Outstanding			0	0		0
Preferred shares, shares authorized			50,000,000	50,000,000		50,000,000
Preferred shares, par value			$ 0.01	$ 0.01		$ 0.01
Ordinary shares, issued			55,481,349	55,481,349		56,218,437
Ordinary shares, outstanding			55,481,349	55,481,349		56,218,437
Ordinary shares, authorized			200,000,000	200,000,000		200,000,000
Ordinary shares, par value			$ 0.01	$ 0.01		$ 0.01
Stock Repurchase Program:
Ordinary shares repurchase and retirement				1,312,771	3,424,609
Stock repurchase program, ordinary shares authorized	$ 150	$ 150	$ 300
Stock repurchase program, value of ordinary shares repurchased and retired			302.1	302.1
Stock repurchase program, ordinary shares repurchased and retired			12,578,156	12,578,156
Stock repurchase program, maximum remaining amount				222.1
Payments of dividends, common stock				$ 14.2	$ 14.3