Aquisition (Allocation of Purchase Price to Fair Value of Assets Acquired and Liabilities Assumed) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Sep. 30, 2012	Dec. 31, 2012 Teavana [Member]
Business Acquisition [Line Items]
Cash and cash equivalents			$ 47.0
Inventories			21.3
Property, plant and equipment			59.7
Intangible assets	267.4	143.7	120.8
Goodwill			466.4
Other current and noncurrent assets			19.8
Current liabilities			(36.0)
Long-term deferred tax liability			(54.3)
Long-term debt			(35.2)
Other long-term liabilities			(7.0)
Total purchase price			$ 602.5