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Leases and Commitments Leases and Commitments (Notes)
12 Months Ended
Dec. 31, 2011
Leases and Commitments [Abstract]  
Commitments Disclosure [Text Block]
Leases and Commitments
Minimum rental commitments under noncancellable operating leases, primarily for equipment and office facilities at December 31, 2011, are included in the following table under leases. Purchase obligations include commitments to purchase paper, inventory and other services.
 
Year
 
Leases
 
Purchase
Obligations
2012
 
$
109.5

 
$
344.6

2013
 
96.5

 
154.4

2014
 
83.9

 
126.1

2015
 
72.1

 
115.3

2016
 
55.7

 
120.4

Later years
 
148.8

 
5.7

Sublease rental income
 
(22.2
)
 

Total
 
$
544.3

 
$
866.5


Rent expense was $113.9 in 2011, $113.7 in 2010, and $113.5 in 2009. Plant construction, expansion and modernization projects with an estimated cost to complete of approximately $554.9 were in progress at December 31, 2011.