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Defined Benefit Plans (Tables)
 9 Months Ended
Jun. 30, 2014
Compensation and Retirement Disclosure [Abstract]  
Components of Consolidated Net Periodic Benefit and Deferred Compensation Benefit Costs and Contributions Made
he components of consolidated net periodic benefit and deferred compensation benefit costs and contributions made are as follows:
 
Three months ended June 30,
 
Nine months ended June 30,
 
2014
 
2013
 
2014
 
2013
Service cost
$
0.9

 
$
0.9

 
$
2.9

 
$
2.6

Interest cost
2.6

 
2.5

 
8.6

 
7.8

Expected return on assets
(2.5
)
 
(2.5
)
 
(8.5
)
 
(7.4
)
Recognized net actuarial loss
0.3

 
0.5

 
1.1

 
1.6

Employee contributions
—

 
—

 
—

 
(0.1
)
   Net periodic benefit expense
$
1.3

 
$
1.4

 
$
4.1

 
$
4.5

 
 
 
 
 
 
 
 
Contributions made during period
$
4.0

 
$
1.3

 
$
9.6

 
$
3.2