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Contract Assets and Contract Liabilities (Tables)
9 Months Ended
Sep. 30, 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 nine months ended September 30, 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 year441.6 759.2 
Reclassified to accounts receivable(423.5)(868.7)
Foreign currency impact(6.2)(0.7)
Balance at September 30
$556.1 $517.3 
Contract Liabilities
In millions20212020
Balance at beginning of year$831.2 $799.7 
Acquisitions1.7 6.9 
Recognized in current year477.0 589.1 
Amounts in beginning balance reclassified to revenue(387.2)(430.0)
Current year amounts reclassified to revenue(154.3)(152.6)
Foreign currency impact(8.6)(3.3)
Balance at September 30$759.8 $809.8