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Restructuring Charges and Asset Impairments (Tables)
3 Months Ended
Mar. 31, 2013
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserve by Type of Cost
 
Severance and benefits costs
 
Other exit
costs
 
Total
Balance at January 1, 2013
$
62,540

 
$
5,218

 
$
67,758

Cash payments
(15,022
)
 
(1,253
)
 
(16,275
)
Balance at March 31, 2013
$
47,518

 
$
3,965

 
$
51,483