Summary of Current Cost Estimates by Major Type of Cost Associated with Plan (Detail) (Subsequent Event, USD $) In Millions, unless otherwise specified	0 Months Ended
	Apr. 28, 2014
Minimum
Subsequent Event [Line Items]
Expected restructuring charges	$ 42.0
Maximum
Subsequent Event [Line Items]
Expected restructuring charges	53.0
Termination Benefits | Minimum
Subsequent Event [Line Items]
Expected restructuring charges	12.0
Termination Benefits | Maximum
Subsequent Event [Line Items]
Expected restructuring charges	15.0
Facility Closure Costs | Minimum
Subsequent Event [Line Items]
Expected restructuring charges	2.0	[1]
Facility Closure Costs | Maximum
Subsequent Event [Line Items]
Expected restructuring charges	5.0	[1]
Accelerated depreciation charges | Minimum
Subsequent Event [Line Items]
Expected restructuring charges	10.0
Accelerated depreciation charges | Maximum
Subsequent Event [Line Items]
Expected restructuring charges	12.0
Other | Minimum
Subsequent Event [Line Items]
Expected restructuring charges	18.0	[2]
Other | Maximum
Subsequent Event [Line Items]
Expected restructuring charges	$ 21.0	[2]

[1] Includes costs to transfer product lines among facilities and outplacement and employee relocation costs.

[2] Consists of other costs directly related to the Plan, including project management, legal and other regulatory costs.