CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 28, 2014	Dec. 27, 2013
Statement of Financial Position [Abstract]
Allowance for Trade accounts receivable	$ 10.5	$ 8.3
Allowance for Other accounts receivable	$ 5.9	$ 6.1
Ordinary shares, par value	$ 0.01	$ 0.01
Ordinary shares, authorized	200,000,000	200,000,000
Ordinary shares, issued	55,658,594	56,218,437
Ordinary shares, outstanding	55,658,594	56,218,437
Preferred shares, par value	$ 0.01	$ 0.01
Preferred shares, authorized	50,000,000	50,000,000
Preferred shares, issued	0	0
Preferred shares, outstanding	0	0