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Assets Held for Sale (Tables)
12 Months Ended
Dec. 31, 2012
Assets Held For Sale [Abstract]  
Disclosure of Long Lived Assets Held-for-sale
The following table summarizes the changes in the balance of assets held for sale during fiscal 2012:
 
(In millions)
Balance December 31, 2011
$
9.4

Assets transferred to held for sale
54.1

Assets sold
(60.0
)
Assets transferred out of held for sale
(3.1
)
Other
(0.4
)
Balance December 31, 2012
$