Acquisitions (Aimia Acquisition) - Business Combination Transfer Consideration (Detail) - Aimia Foods Holdings Limited [Member] £ in Millions, $ in Millions				1 Months Ended		3 Months Ended
	Sep. 30, 2014 USD ($)	Sep. 30, 2014 GBP (£)	May 30, 2014 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2014 GBP (£)	Oct. 01, 2016 USD ($)	Oct. 01, 2016 GBP (£)	May 30, 2014 GBP (£)
Business Acquisition [Line Items]
Cash paid to sellers			$ 80.4			$ 10.8	£ 8.1
Deferred consideration	$ 33.5	£ 19.9	33.5	$ 33.5	£ 19.9
Contingent consideration			17.9				£ 12.0	£ 10.6
Working capital payment			7.2
Total consideration			$ 139.0