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Restructuring and Impairment Activities (Tables)
12 Months Ended
Dec. 31, 2020
Restructuring and Related Activities [Abstract]  
Changes in Restructuring Liabilities
The following table summarizes total restructuring and related charges:

For the Years Ended December 31,
202020192018
Restructuring and impairment expense:
Severance11.6 2.6 1.3 
Other0.3 1.1 0.4 
Total restructuring and impairment expense$11.9 $3.7 $1.7 
Other restructuring related charges - Cost of products sold
Accelerated depreciation and amortization2.9— — 
Spare parts and consignment inventory write-down to estimated net realizable value2.0— — 
Total other restructuring related charges - Cost of products sold$4.9 $— — 
Total restructuring costs and related charges$16.8 $3.7 $1.7 
Changes in the restructuring liabilities, substantially all of which are employee-related, are summarized as follows ($ in millions):
20202019
Balance at beginning of year$0.5 $1.4 
Accruals for announced programs11.9 3.7 
Cash payments(5.2)(4.2)
Other— (0.4)
Exchange rate impacts0.2 — 
Balance at end of period$7.4 $0.5