Exit activities (Tables)

9 Months Ended

Sep. 30, 2020

Restructuring and Related Activities [Abstract]

Restructuring and Related Costs

The following table summarizes the costs incurred related to these restructurings:

		Three Months Ended September 30,		Nine Months Ended September 30,
In millions	Location in Statement of Operations	2020
Severance costs and other(a)	Business Combinations and Shutdown and Other Special Charges, Net	$	1.3	$	8.3
Accelerated depreciation	Cost of Sales	4.7		20.7
Inventory and asset write-offs	Business Combinations and Shutdown and Other Special Charges, Net	3.1		13.1
Total		$	9.1	$	42.1

^(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 millions
Balance at December 31, 2019	$	7.1
Costs incurred	9.1
Payments	(4.5)
Adjustments(a)	(0.8)
Balance at September 30, 2020	$	10.9

^(a) Adjustments related to changes in estimates of severance costs.