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Retirement Plans (Tables)
3 Months Ended
Dec. 25, 2015
Pension Benefits  
Defined Benefit Plan Disclosure [Line Items]  
Schedule of Net Periodic Benefit Cost
The net periodic benefit cost for the Company's defined benefit pension plans was as follows:
 
Three Months Ended
 
December 25,
2015
 
December 26,
2014
Service cost
$
1.0


$
1.2

Interest cost
4.2


4.5

Expected return on plan assets
(5.1
)

(5.8
)
Amortization of net actuarial loss
2.6


2.3

Amortization of prior service (credit)
(0.1
)

(0.2
)
Net periodic benefit cost
$
2.6


$
2.0