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Warranty (Tables)
 6 Months Ended
Jan. 31, 2016
Standard Product Warranty Disclosure [Abstract]  
Reconciliation Of Warranty Reserves
Following is a reconciliation of warranty reserves for the six months ended January 31, 2016 and 2015 (millions of dollars):
 
Six Months Ended
January 31,
 
2016
 
2015
Beginning balance
$
8.6

 
$
9.0

Accruals for warranties issued during the reporting period
2.6

 
1.6

Accruals related to pre-existing warranties (including changes in estimates)
2.7

 
(0.2
)
Less settlements made during the period
(1.7
)
 
(2.0
)
Ending balance
$
12.2

 
$
8.4