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Defined Benefit Plans (Tables)
 9 Months Ended
Jun. 30, 2013
Compensation and Retirement Disclosure [Abstract]  
Components of Consolidated Net Periodic Benefit and Deferred Compensation Benefit Costs and Contributions Made
The components of consolidated net periodic benefit and deferred compensation benefit costs and contributions made are as follows:
 
Three months ended
 
Nine months ended
 
June 30, 2013
 
July 1, 2012
 
June 30, 2013
 
July 1, 2012
Service cost
$
0.9

 
$
0.7

 
$
2.6

 
$
2.0

Interest cost
2.5

 
2.8

 
7.8

 
7.7

Expected return on assets
(2.5
)
 
(2.3
)
 
(7.4
)
 
(6.1
)
Recognized net actuarial loss
0.5

 
0.2

 
1.6

 
0.5

Employee contributions
—

 
—

 
(0.1
)
 
(0.1
)
   Net periodic benefit expense
$
1.4

 
$
1.4

 
$
4.5

 
$
4.0

Contributions made during period
$
1.3

 
$
1.3

 
$
3.2

 
$
3.9