Shareholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended		9 Months Ended
	May 01, 2013	May 05, 2010	Sep. 26, 2014	Sep. 27, 2013	Dec. 27, 2013
Stockholders' Equity Note [Abstract]
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			56,365,413		56,218,437
Ordinary shares, outstanding			56,365,413		56,218,437
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			1,529,176	3,462,506
Stock repurchase program, ordinary shares authorized	$ 300	$ 150
Stock repurchase program, value of ordinary shares repurchased and retired			308.5
Stock repurchase program, ordinary shares repurchased and retired			12,794,561
Stock repurchase program, maximum remaining amount			215.7
Payments of dividends, common stock			$ 20.9	$ 21.2