Restructuring Charges - Additional Information (Detail)	Apr. 28, 2017
March 2016 Restructuring
Restructuring Cost and Reserve [Line Items]
Reduction of global work force	11.00%
November 2016 Restructuring
Restructuring Cost and Reserve [Line Items]
Reduction of global work force	6.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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