CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 30, 2012	Dec. 30, 2011
Allowance for Trade accounts receivable	$ 8.5	$ 7.4
Allowance for Other accounts receivable	$ 9.1	$ 9.8
Ordinary shares, par value	$ 0.01	$ 0.01
Ordinary Shares, Authorized	200,000,000	200,000,000
Ordinary shares, issued	57,832,277	57,764,454
Ordinary shares, outstanding	57,832,277	57,764,454
Preferred shares, par value	$ 0.01	$ 0.01
Preferred shares, shares authorized	50,000,000	50,000,000
Preferred shares, issued	0	0
Preferred shares, outstanding	0	0