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Restructuring and Impairment Activities (Tables)
12 Months Ended
Dec. 31, 2021
Restructuring and Related Activities [Abstract]  
Changes in Restructuring Liabilities The following table summarizes total restructuring and related charges:
For the Years Ended December 31,
202120202019
Restructuring and impairment expense:
Severance$3.6 $11.6 $2.6 
Other4.9 0.3 1.1 
Asset impairment1.6 — — 
Total restructuring and impairment expense$10.1 $11.9 $3.7 
Other restructuring related charges - Cost of products sold
Accelerated depreciation and amortization0.52.9 — 
Spare parts and consignment inventory write-down to estimated net realizable value0.22.0 — 
Total other restructuring related charges - Cost of products sold$0.7 $4.9 $— 
Total restructuring and impairment expense and other restructuring related charges$10.8 $16.8 $3.7 
Changes in the restructuring liabilities, substantially all of which are employee-related, are summarized as follows ($ in millions):
20212020
Balance at beginning of year$7.4 $0.5 
Accruals for announced programs4.7 11.9 
Cash payments(5.7)(5.2)
Exchange rate impacts(0.2)0.2 
Balance at end of period$6.2 $7.4