Retirement and Other Employee Benefits (Expected Benefit Payments) (Detail) (USD $) In Millions, unless otherwise specified	Dec. 28, 2012
CENTRAL AMERICA [Member]
Expected benefit payments for:
Next 5 years	$ 3.6
UNITED STATES Pension Plans [Member]
Expected benefit payments for:
2012	1.4
2013	1.3
2014	1.3
2015	1.2
2016	1.2
Next 5 years	5.4
Expected benefit payments over next 10 years	11.8
Pension Plans [Member] | UNITED KINGDOM [Member]
Expected benefit payments for:
2012	1.9
2013	1.9
2014	2.1
2015	2.1
2016	2.2
Next 5 years	12.6
Expected benefit payments over next 10 years	22.8
Post-retirement Plans [Member] | CENTRAL AMERICA [Member]
Expected benefit payments for:
2012	5.7
2013	5.2
2014	5.1
2015	5.5
2016	4.9
Next 5 years	24.1
Expected benefit payments over next 10 years	$ 50.5