Debt (Narrative) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended		3 Months Ended	12 Months Ended		0 Months Ended		12 Months Ended	0 Months Ended		0 Months Ended
	May 31, 2012	Jan. 12, 2011	Apr. 30, 2011	Oct. 31, 2012	Oct. 31, 2011	May 31, 2012 Minimum [Member]	May 31, 2012 Maximum [Member]	Oct. 31, 2011 Senior Notes [Member]	Feb. 15, 2011 Senior Notes [Member] 7.125% Senior Notes Due February 15, 2015 [Member]	Jan. 31, 2007 Senior Notes [Member] 7.125% Senior Notes Due February 15, 2015 [Member]	May 31, 2012 Revolving Credit Facilities [Member]	Jan. 12, 2011 Revolving Credit Facilities [Member]	Jan. 12, 2011 Term Loan Facility [Member]	Oct. 31, 2012 European Credit Facility [Member] Citibank [Member]	Oct. 31, 2011 European Credit Facility [Member] Citibank [Member]	Oct. 31, 2012 Non Guaranteed Euro Denominated Italian Overdraft Facility [Member]	Oct. 31, 2011 Non Guaranteed Euro Denominated Italian Overdraft Facility [Member]	Oct. 31, 2012 Asian Pacific Credit Facilities [Member]	Oct. 31, 2011 Asian Pacific Credit Facilities [Member]	Oct. 31, 2012 Asian Pacific Credit Facilities [Member] JP Morgan [Member]	Oct. 31, 2011 Asian Pacific Credit Facilities [Member] JP Morgan [Member]
Line of Credit Facility [Line Items]
Line of credit facility, initiation date		Jan. 12, 2011
Aggregate principal amount of credit facilities											$ 1,000.0	$ 750.0	$ 250.0	$ 35.8	$ 35.9	$ 0.5	$ 0.8	$ 31.3	$ 40.6	$ 12.5	$ 7.6
Additional borrowings											500.0
Expiration date											May 31, 2017
Commitment fee percentage						0.10%	0.275%
Line of credit facility interest rate margin on base rate loans percentage						0.00%	0.75%
Line of credit facility interest rate margin on foreign currency loans percentage						1.00%	1.75%
Required minimum interest coverage ratio				3
Required maximum total leverage ratio				3.75
Debt instrument, covenant description				Pursuant to the terms of the Credit Agreement, we are also required to maintain specified financial ratios: The ratio of Consolidated Proforma EBITDA to Consolidated Interest Expense (as defined, Interest Coverage Ratio) be at least 3.00 to 1.00 at all times. The ratio of Consolidated Funded Indebtedness to Consolidated Proforma EBITDA (as defined, Total Leverage Ratio) be no higher than 3.75 to 1.00.
Debt instrument, covenant compliance				At October 31, 2012, we were in compliance with the Interest Coverage Ratio at 37.21 to 1.00 and the Total Leverage Ratio at 0.85 to 1.00.
Interest Coverage Ratio				37.21
Total Leverage Ratio				0.85
Amount available under the credit agreement				653.7
Write-off debt issuance costs in interest expense	1.4		4.4					4.4
Existing debt issuance costs	6.0
Debt issuance costs incurred to refinance Credit Agreement	1.3
Senior notes, principal amount										350.0
Senior notes, stated interest rate										7.125%
Extinguishment of Debt, Amount									339.0
Redemption price of notes									103.563%
Loss on repurchase of notes			(16.5)		(16.5)
Redemption premium related to notes			12.1		12.1
Amount of credit facility utilized														6.6		0		15.6		1.6
Weighted average interest rate on outstanding balances														2.30%				0.70%		5.00%
Aggregate outstanding amount of letters of credit				$ 2.7