Shareholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended
	Jul. 31, 2009	Mar. 29, 2013	Mar. 30, 2012	Jul. 02, 2010	Dec. 28, 2012
Class of Stock [Line Items]
Preferred Stock, Shares Issued		0			0
Preferred Stock, Shares Outstanding		0			0
Preferred shares, shares authorized		50,000,000			50,000,000
Preferred shares, par value		$ 0.01			$ 0.01
Ordinary shares, issued		57,284,395			57,707,385
Ordinary shares, outstanding		57,284,395			57,707,385
Ordinary shares, authorized		200,000,000			200,000,000
Ordinary shares, par value		$ 0.01			$ 0.01
Stock Repurchase Program:
Ordinary shares repurchase and retirement		1,038,209	0
Stock repurchase program, ordinary shares authorized	$ 150			$ 150
Stock repurchase program, value of ordinary shares repurchased and retired		200.2
Stock repurchase program, ordinary shares repurchased and retired		8,813,106
Stock repurchase program, maximum remaining amount		99.8
Payments of dividends, common stock		$ 7.2	$ 5.8