Acquisitions - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		0 Months Ended		9 Months Ended		0 Months Ended						9 Months Ended							1 Months Ended		0 Months Ended	1 Months Ended	0 Months Ended	1 Months Ended
	Sep. 27, 2014 USD ($)	Sep. 28, 2013 USD ($)	Sep. 27, 2014 USD ($)	Sep. 28, 2013 USD ($)	Dec. 28, 2013 Cliffstar [Member] USD ($)	Aug. 17, 2010 Cliffstar [Member] USD ($)	Sep. 27, 2014 Cliffstar [Member]	Aug. 17, 2010 Cliffstar [Member] USD ($)	Sep. 15, 2014 Aimia Foods Holdings Limited [Member] USD ($)	Sep. 15, 2014 Aimia Foods Holdings Limited [Member] GBP (£)	May 31, 2014 Aimia Foods Holdings Limited [Member] USD ($)	May 31, 2014 Aimia Foods Holdings Limited [Member] GBP (£)	May 30, 2014 Aimia Foods Holdings Limited [Member] USD ($)	May 30, 2014 Aimia Foods Holdings Limited [Member] GBP (£)	Sep. 27, 2014 Aimia Foods Holdings Limited [Member] USD ($)	May 31, 2014 Aimia Foods Holdings Limited [Member] USD ($)	May 31, 2014 Aimia Foods Holdings Limited [Member] GBP (£)	May 30, 2014 Aimia Foods Holdings Limited [Member] USD ($)	May 30, 2014 Aimia Foods Holdings Limited [Member] GBP (£)	May 30, 2014 Aimia Foods Holdings Limited [Member] Income Approach Valuation Technique [Member] USD ($)	May 30, 2014 Aimia Foods Holdings Limited [Member] Income Approach Valuation Technique [Member] GBP (£)	Jun. 30, 2014 Calypso [Member] USD ($)	Jun. 30, 2013 Calypso [Member] USD ($)	Jun. 30, 2013 Calypso [Member] First Anniversary [Member] USD ($)	Jun. 30, 2013 Calypso [Member] First Anniversary [Member] USD ($)	Jun. 30, 2013 Calypso [Member] Second Anniversary [Member] USD ($)	Jun. 30, 2013 Calypso [Member] Second Anniversary [Member] USD ($)
Business Acquisition [Line Items]
Acquisition Date							Aug. 17, 2010								May 30, 2014
Acquired Segment																		100.00%	100.00%				100.00%
Acquisition, contingent consideration								$ 55.0								$ 26.9	£ 16.0	$ 26.9	£ 16.0
Aggregate purchase price													87.6	52.1
Deferred consideration									33.5	19.9	33.5	19.9	33.5									5.3	5.1	2.3	2.3	3.0	3.0
Fair Value of Contingent Consideration																		17.9		17.9	10.6
Acquisition related costs															2.1
Aggregate purchase price													139.0										12.1
Acquisition payable in cash						503.0							80.4										7.0
Payment of outstanding debt	80.1	0.6	392.6	20.2																			18.5
Acquisition, deferred consideration to be paid						14.0
Deferred consideration due (in years)						3 years
Acquisition, contingent consideration settlement amount					$ 34.9