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Exit Activities (Tables)
 12 Months Ended
Dec. 31, 2019
Restructuring and Related Activities [Abstract]  
Restructuring and Related Costs
In millionsLocation in Statement of OperationsDecember 31, 2019
Severance costs and other (a)
Business Combinations, Shutdown and Other Special Charges and Gain on Sale of Assets, Net
$7.7  
Accelerated depreciationCost of Sales4.7  
Inventory and asset write-offs
Business Combinations, Shutdown and Other Special Charges and Gain on Sale of Assets, Net
2.5  
Total$14.9  
(a) Costs incurred include activities for post-employment benefits, retention bonuses, incentives and professional services.
Schedule of Restructuring Reserve by Type of Cost
The following table summarizes the balance of accrued expenses related to restructuring:

In millionsTotal
Balance at December 31, 2018$—  
Costs incurred7.7  
Payments(0.6) 
Balance at December 31, 2019$7.1