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Restructuring Activities (Tables)
3 Months Ended
Mar. 31, 2021
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,
20212020
Severance:
Cost of sales$— $2.3 
Selling, general, and administrative expenses0.3 2.9 
Total severance costs0.3 5.2 
Other restructuring:
Cost of sales0.4 — 
Total other restructuring costs0.4 — 
Total restructuring costs$0.7 $5.2 
Schedule of rollforward of restructuring cost
The following tables summarize our restructuring activities:
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 
Three Months Ended March 31, 2020
Cryo Tank SolutionsHeat Transfer SystemsSpecialty ProductsRepair, Service & LeasingCorporateConsolidated
Balance at December 30, 2019$0.5 $0.2 $— $— $0.2 $0.9 
Restructuring charges1.8 2.8 — — 0.6 5.2 
Cash payments and other(0.8)(2.5)— — — (3.3)
Balance at March 31, 2020$1.5 $0.5 $— $— $0.8 $2.8