Commitments and Contingencies (Tables)

12 Months Ended

Dec. 27, 2013

Commitments and Contingencies Disclosure [Abstract]

Aggregate Minimum Payments Under all Operating Leases and Vessel Charter Agreements

The aggregate minimum payments under all operating leases and vessel charter agreements with initial terms of one year or more at December 27, 2013 are as follows (U.S. dollars in millions):

2014	$	61.3
2015	52.6
2016	51.1
2017	37.7
2018	36.4
Thereafter	66.2
	$	305.3