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RETIREMENT PLANS (Tables)
 6 Months Ended
Mar. 31, 2017
Compensation and Retirement Disclosure [Abstract]  
Schedule of Net Periodic Benefit Costs
The components of net defined benefit costs were as follows:
 
Three Months Ended
 
Six Months Ended
(In millions)
March 31,
2017
 
April 1,
2016
 
March 31,
2017
 
April 1,
2016
Defined Benefit Plans
 
 
 
 
 
 
 
Service cost
$
1.7

 
$
1.5

 
$
3.5

 
$
3.0

Interest cost
0.5

 
1.0

 
1.1

 
2.0

Expected return on plan assets
(1.7
)
 
(1.7
)
 
(3.5
)
 
(3.4
)
Amortization of prior service cost
—

 
—

 
(0.1
)
 
—

Recognized actuarial loss
1.1

 
0.8

 
2.2

 
1.5

Net periodic benefit cost
$
1.6

 
$
1.6

 
$
3.2

 
$
3.1