Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended			12 Months Ended			12 Months Ended	0 Months Ended
	Apr. 27, 2014 Agreement Group	Apr. 27, 2014 Fiscal 2015	Apr. 27, 2014 Fiscal 2016 to fiscal 2019	Apr. 27, 2014 Fiscal 2020	Apr. 27, 2014 Payments due in fiscal 2015	Apr. 27, 2014 Payments due in fiscal 2016	Apr. 27, 2014 Co-pack, Packaging and Service Commitments	Jul. 19, 2012 Mazur v. Del Monte Claim	Sep. 06, 2012 Langone v. Del Monte Claim	Sep. 06, 2012 Langone v. Del Monte Minimum	Oct. 12, 2012 Ruff v. Del Monte Claim	Oct. 12, 2012 Ruff v. Del Monte Minimum	Oct. 16, 2012 Funke v. Del Monte Claim	Oct. 16, 2012 Funke v. Del Monte Minimum	Jan. 31, 2013 Harmon v. Del Monte Claim	Jan. 31, 2013 Harmon v. Del Monte Maximum	Jan. 31, 2014 Gamez v. Del Monte Claim
Loss Contingencies [Line Items]
Future minimum rentals to be received under all non-cancelable operating sub-leases through March 31, 2021	$ 24.5
Agreement term range, low							1 year
Agreement term range, high							5 years
Total commitments under agreements					138.5	8.9
Collective bargaining agreements	7
Union locals under collective bargaining agreements	7
Percentage of employees covered under collective bargaining agreements	45.00%	28.00%	1.00%	71.00%
Expire date of collective bargaining agreements		May 03, 2015		May 03, 2020
Number of claims filed								1	1		1		1		1		1
Restitution and damages per class member																75,000
Class action and damages sought by compliant, threshold amount								$ 5.0		$ 5.0		$ 5.0		$ 5.0		$ 5.0

BIG HEART PET BRANDS 10-K