Business and Summary of Significant Accounting Policies Business and Summary of Significant Accounting Policies (Value Added Taxes) (Details) - USD ($) $ in Millions	Jan. 31, 2016	Jan. 31, 2015
Value Added Tax [Line Items]
Value Added Tax Payable	$ 197.7	$ 197.4
Value Added Tax Receivable	27.8	37.8
Spain \| Accrued Expenses and Other Liabilities [Member]
Value Added Tax [Line Items]
Loss Contingency Accrual	$ 4.6	$ 43.7

Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_ValueAddedTaxReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant