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Restructuring Activities (Tables)
3 Months Ended
Mar. 31, 2022
Restructuring and Related Activities [Abstract]  
Summary of severance and other restructuring costs
The following table summarizes severance and other restructuring costs, which includes employee-related costs, facility rent and exit costs, relocation, recruiting, travel and other:
Three Months Ended March 31,
20222021
Severance:
Cost of sales$0.1 $— 
Selling, general, and administrative expenses(0.1)0.3 
Total severance costs— 0.3 
Other restructuring:
Cost of sales0.1 0.4 
Selling, general, and administrative expenses— — 
Total other restructuring costs0.1 0.4 
Total restructuring costs$0.1 $0.7 
Schedule of rollforward of restructuring cost
The following tables summarize our restructuring activities:
Three Months Ended March 31, 2022
Cryo Tank SolutionsHeat Transfer SystemsSpecialty ProductsRepair, Service & LeasingCorporateConsolidated
Balance at December 31, 2021$0.4 $0.5 $— $1.4 $— $2.3 
Restructuring charges— 0.1 — — — 0.1 
Cash payments and other(0.3)(0.6)— — — (0.9)
Balance at March 31, 2022$0.1 $— $— $1.4 $— $1.5 

Three Months Ended March 31, 2021
Cryo Tank SolutionsHeat Transfer SystemsSpecialty ProductsRepair, Service & LeasingCorporateConsolidated
Balance at December 31, 2020$0.5 $0.2 $— $— $0.1 $0.8 
Restructuring charges0.3 0.4 — — — 0.7 
Cash payments and other(0.3)(0.6)— — (0.1)(1.0)
Balance at March 31, 2021$0.5 $— $— $— $— $0.5