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Contract Assets and Contract Liabilities (Tables)
3 Months Ended
Mar. 31, 2021
Revenue from Contract with Customer [Abstract]  
Schedule of Change in Carrying Amount of Contract Assets and Contract Liabilities
The change in the carrying amount of contract assets and contract liabilities for the three months ended March 31, 2021 and 2020 is as follows:
Contract Assets
In millions20212020
Balance at beginning of year$544.2 $623.4 
Acquisitions— 4.1 
Recognized in current year233.4 293.0 
Reclassified to accounts receivable(242.0)(282.9)
Foreign currency impact(5.5)(8.3)
Balance at March 31$530.1 $629.3 
Contract Liabilities
In millions20212020
Balance at beginning of year$831.2 $799.7 
Acquisitions1.7 6.9 
Recognized in current year233.6 290.2 
Amounts in beginning balance reclassified to revenue(213.5)(317.6)
Current year amounts reclassified to revenue(11.4)(11.8)
Foreign currency impact(8.4)(6.2)
Balance at March 31$833.2 $761.2