v2.4.0.6

Commitments and Contingencies (Details 1) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011
Future minimum payments under unconditional purchase commitments
2012	$ 196.8
2013	80.0
2014	68.1
2015	31.7
2016	25.3
Thereafter	242.4
Total	$ 644.3

X

- Definition

The carrying amount of the long-term purchase obligation as of the balance sheet date, which equals the sum of all payments due.

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- Definition

The aggregate remaining amount of payments due after the fifth year after the balance sheet date to extinguish a recorded unconditional purchase obligation.

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The aggregate amount of payments due in the fifth year after the balance sheet date to reduce a recorded unconditional purchase obligation.

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The aggregate amount of payments due in the fourth year after the balance sheet date to reduce a recorded unconditional purchase obligation.

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The aggregate amount of payments due in the second year after the balance sheet date to reduce a recorded unconditional purchase obligation.

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The aggregate amount of payments due in the third year after the balance sheet date to reduce a recorded unconditional purchase obligation.

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The aggregate amount of payments due in the first year after the balance sheet date to reduce a recorded unconditional purchase obligation.

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