Shareholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended		6 Months Ended
	Jul. 31, 2009	Jun. 28, 2013	Jul. 02, 2010	Jun. 28, 2013	Jun. 29, 2012	Dec. 28, 2012
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		55,212,478		55,212,478		57,707,385
Ordinary shares, outstanding		55,212,478		55,212,478		57,707,385
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				3,424,609	0
Stock repurchase program, ordinary shares authorized	$ 150	$ 300	$ 150
Stock repurchase program, value of ordinary shares repurchased and retired		264.4		264.4
Stock repurchase program, ordinary shares repurchased and retired		11,199,506		11,199,506
Stock repurchase program, maximum remaining amount				259.8
Payments of dividends, common stock				$ 14.3	$ 11.6