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Leases and Commitments Leases and Commitments (Notes)
12 Months Ended
Dec. 31, 2015
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, 2015, are included in the following table under leases. Purchase obligations include commitments to purchase paper, inventory and other services.
Year
 
Leases
 
Purchase
Obligations
2016
 
$
72.3

 
$
143.8

2017
 
55.3

 
96.2

2018
 
45.3

 
63.0

2019
 
39.3

 
53.7

2020
 
33.9

 
50.2

Later years
 
100.2

 
49.3

Sublease rental income
 
(33.3
)
 
N/A

Total
 
$
313.0

 
$
456.2


Rent expense was $74.4 in 2015, $90.7 in 2014 and $109.6 in 2013. Plant construction, expansion and modernization projects with an estimated cost to complete of approximately $39.9 were in progress at December 31, 2015.