EMPLOYEE BENEFIT PLANS (Tables)

6 Months Ended

Sep. 12, 2020

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):

	12 weeks ended
	Pension				Other post-retirement benefits
	September 12, 2020		September 7, 2019		September 12, 2020		September 7, 2019
Estimated return on plan assets	$	(23.7)	$	(25.3)	$	—	$	—
Service cost	3.5		3.4		—		0.1
Interest cost	12.6		18.6		0.1		0.2
Amortization of prior service cost	—		0.1		0.4		0.9
Amortization of net actuarial loss (gain)	0.5		0.1		(0.1)		(0.2)
Settlement charge	3.0		—		—		—
(Income) expense, net	$	(4.1)	$	(3.1)	$	0.4	$	1.0

	28 weeks ended
	Pension				Other post-retirement benefits
	September 12, 2020		September 7, 2019		September 12, 2020		September 7, 2019
Estimated return on plan assets	$	(55.2)	$	(59.2)	$	—	$	—
Service cost	8.3		7.9		—		0.3
Interest cost	29.2		43.4		0.2		0.4
Amortization of prior service cost	0.1		0.2		1.0		2.0
Amortization of net actuarial loss (gain)	1.1		0.3		(0.3)		(0.3)
Settlement charge	3.0		—		—		—
(Income) expense, net	$	(13.5)	$	(7.4)	$	0.9	$	2.4