XML 32 R21.htm IDEA: XBRL DOCUMENT v3.19.2
EMPLOYEE BENEFIT PLANS (Tables)
 4 Months Ended
Jun. 15, 2019
Retirement Benefits [Abstract]  
Schedule of Components of Net Pension and Post-retirement Expense
The following tables provide the components of net pension and post-retirement (income) expense (in millions):
 
16 weeks ended
 
Pension
 
Other post-retirement benefits
 
June 15,
2019
 
June 16,
2018
 
June 15,
2019
 
June 16,
2018
Estimated return on plan assets
$
(33.9
)
 
$
(34.6
)
 
$
—

 
$
—

Service cost
4.5

 
16.1

 
0.2

 
0.3

Interest cost
24.8

 
26.4

 
0.2

 
0.2

Amortization of prior service cost
0.1

 
—

 
1.1

 
1.1

Amortization of net actuarial loss (gain)
0.2

 
(1.9
)
 
(0.1
)
 
(0.1
)
Net (income) expense
$
(4.3
)
 
$
6.0

 
$
1.4

 
$
1.5