Income Taxes - Components of Loss and Credit Carry forward (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 26, 2012
Foreign Capital Losses [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Amount of carry forward, Gross	$ 61.9
Amount of carry forward, Benefit	14.3
Valuation Allowance	14.3
Expiration Date(s)	None
U.S. state operating losses [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Amount of carry forward, Gross	1,952.0
Amount of carry forward, Benefit	100.7
Valuation Allowance	97.5
Expiration Date(s)	Various
Foreign losses [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Amount of carry forward, Gross	31.0
Amount of carry forward, Benefit	7.9
Valuation Allowance	7.9
Expiration Date(s)	3.9 - 2014 to 2017
Alternative Minimum Tax Credits [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Amount of carry forward, Benefit	3.2
Expiration Date(s)	4.0 - None
State Tax Credits [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Amount of carry forward, Benefit	0.4
Valuation Allowance	0.4
Expiration Date(s)	2026
Foreign Tax Credits [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Amount of carry forward, Benefit	1.5
Expiration Date(s)	1.5 - 2016 to 2018
Various International Tax Credits [Member]
Operating Loss And Tax Credit Carryforwards [Line Items]
Amount of carry forward, Benefit	0.5
Valuation Allowance	$ 0.3
Expiration Date(s)	None