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Warranty (Tables)
 9 Months Ended
Apr. 30, 2016
Standard Product Warranty Disclosure [Abstract]  
Reconciliation Of Warranty Reserves
Following is a reconciliation of warranty reserves for the nine months ended April 30, 2016 and 2015 (millions of dollars):
 
Nine Months Ended
April 30,
 
2016
 
2015
Beginning balance
$
8.6

 
$
9.0

Accruals for warranties issued during the reporting period
2.9

 
2.2

Accruals related to pre-existing warranties (including changes in estimates)
2.9

 
1.1

Less settlements made during the period
(2.6
)
 
(3.7
)
Ending balance
$
11.8

 
$
8.6