Investments In Unconsolidated Affiliates (Equity Method Investment Summarized Financial Information, Balance Sheet) (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets	$ 90.9	$ 38.1
Long-term assets	1,043.7	359.9
Current liabilities	(148.3)	(20.4)
Long-term liabilities	(42.5)	(28.5)
Net assets	$ 943.8	$ 349.1

The amount of assets reported by an equity method investment of the entity.

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+ Details

- Definition

The amount of current assets reported by an equity method investment of the entity.

+ References

+ Details

- Definition

The amount of current liabilities reported by an equity method investment of the entity.

+ References

+ Details

- Definition

The amount of noncurrent assets reported by an equity method investment of the entity.

+ References

+ Details

- Definition

The amount of noncurrent liabilities reported by an equity method investment of the entity.

+ References

+ Details