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Restructuring Restructuring (Tables)
 6 Months Ended
Jun. 30, 2016
Restructuring and Related Activities [Abstract]  
Charges and spending related to our restructuring efforts
The following table summarizes the charges and spending related to our restructuring efforts during the six months ended June 30, 2016:
(In millions)
Workforce
Reduction
 
Pipeline
Programs
 
Total
Restructuring reserve as of December 31, 2015
$
33.7

 
$
3.6

 
$
37.3

Expense
4.9

 
5.4

 
10.3

Payments
(28.7
)
 
(6.0
)
 
(34.7
)
Adjustments to previous estimates, net
(3.5
)
 
2.9

 
(0.6
)
Restructuring reserve as of June 30, 2016
$
6.4

 
$
5.9

 
$
12.3