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Revenue (Tables)
3 Months Ended
Mar. 31, 2022
Revenue from Contract with Customer [Abstract]  
Disaggregation of revenue by timing
The following tables represent a disaggregation of revenue by timing of revenue along with the reportable segment for each category:
Three Months Ended March 31, 2022
Cryo Tank SolutionsHeat Transfer SystemsSpecialty ProductsRepair, Service & LeasingIntersegment EliminationsConsolidated
Point in time$107.4 $5.9 $59.0 $25.9 $— $198.2 
Over time10.7 73.4 48.5 23.4 (0.1)155.9 
Total$118.1 $79.3 $107.5 $49.3 $(0.1)$354.1 
Three Months Ended March 31, 2021
Cryo Tank SolutionsHeat Transfer SystemsSpecialty ProductsRepair, Service & LeasingIntersegment EliminationsConsolidated
Point in time$98.7 $5.6 $61.9 $26.7 $(2.9)$190.0 
Over time5.2 63.6 15.4 14.7 (0.4)98.5 
Total$103.9 $69.2 $77.3 $41.4 $(3.3)$288.5 
Changes in contract assets and contract liabilities balances
The following table represents changes in our contract assets and contract liabilities balances:
March 31, 2022December 31, 2021Year-to-date Change ($)Year-to-date Change (%)
Contract assets
Accounts receivable, net of allowances$253.0 $236.3 $16.7 7.1 %
Unbilled contract revenue126.0 93.5 32.5 34.8 %
Contract liabilities
Customer advances and billings in excess of contract revenue$177.9 $148.5 $29.4 19.8 %
Long-term deferred revenue0.1 0.4 (0.3)(75.0)%