Note 11 - Financial Derivatives (Detail) - Balance Sheet Location and Fair Value (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Non-designated Hedges
Foreign currency contracts: Other assets and deferred costs (current)	$ 0.1	$ 0.4
Foreign currency contracts: Other accrued liabilities	0.2
Designated Hedges
Interest rate swaps: Other assets and deferred costs (noncurrent)	118.1	90.4
Interest rate swaps: Long-term debt	$ 119.5	$ 93.2

Fair value as of the balance sheet date of all foreign currency derivative liabilities not designated as hedging instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 17

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant