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Cancellation Reserves (Tables)
 3 Months Ended
May 31, 2020
Cancellation Reserves [Abstract]  
Schedule Of Cancellation Reserves Accrual
Cancellation Reserves
 
Three Months Ended May 31
(In millions)
2020
 
2019
Balance as of beginning of period
$
117.9

 
$
102.8

Cancellations
(14.8
)
 
(18.8
)
Provision for future cancellations
13.6

 
25.5

Balance as of end of period
$
116.7

 
$
109.5