RESTRUCTURING ACTIVITIES - Schedule of Pre-Tax Expenses in Association with the SCAE Plan (Details) - Pinnacle Integration Restructuring Plan $ in Millions	12 Months Ended
	May 26, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	$ 260.1
Pre-tax expenses recognized	168.2
Other cost of goods sold
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	5.7
Pre-tax expenses recognized	3.7
Total cost of goods sold
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	5.7
Pre-tax expenses recognized	3.7
Severance and related costs, net
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	118.1
Pre-tax expenses recognized	112.1
Accelerated depreciation
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	6.1
Pre-tax expenses recognized	4.7
Contract/lease cancellation expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	20.6
Pre-tax expenses recognized	1.1
Consulting/professional fees
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	96.3
Pre-tax expenses recognized	38.3
Other selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	13.3
Pre-tax expenses recognized	8.3
Total selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	254.4
Pre-tax expenses recognized	164.5
Reporting segments | International
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	1.0
Pre-tax expenses recognized	1.0
Reporting segments | International | Other cost of goods sold
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.0
Pre-tax expenses recognized	0.0
Reporting segments | International | Total cost of goods sold
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.0
Pre-tax expenses recognized	0.0
Reporting segments | International | Severance and related costs, net
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.7
Pre-tax expenses recognized	0.7
Reporting segments | International | Accelerated depreciation
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.0
Pre-tax expenses recognized	0.0
Reporting segments | International | Contract/lease cancellation expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.0
Pre-tax expenses recognized	0.0
Reporting segments | International | Consulting/professional fees
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.2
Pre-tax expenses recognized	0.2
Reporting segments | International | Other selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.1
Pre-tax expenses recognized	0.1
Reporting segments | International | Total selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	1.0
Pre-tax expenses recognized	1.0
Reporting segments | Pinnacle Foods
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	7.1
Pre-tax expenses recognized	5.1
Reporting segments | Pinnacle Foods | Other cost of goods sold
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	5.7
Pre-tax expenses recognized	3.7
Reporting segments | Pinnacle Foods | Total cost of goods sold
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	5.7
Pre-tax expenses recognized	3.7
Reporting segments | Pinnacle Foods | Severance and related costs, net
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.6
Pre-tax expenses recognized	0.6
Reporting segments | Pinnacle Foods | Accelerated depreciation
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.0
Pre-tax expenses recognized	0.0
Reporting segments | Pinnacle Foods | Contract/lease cancellation expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.8
Pre-tax expenses recognized	0.8
Reporting segments | Pinnacle Foods | Consulting/professional fees
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.0
Pre-tax expenses recognized	0.0
Reporting segments | Pinnacle Foods | Other selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.0
Pre-tax expenses recognized	0.0
Reporting segments | Pinnacle Foods | Total selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	1.4
Pre-tax expenses recognized	1.4
Corporate
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	252.0
Pre-tax expenses recognized	162.1
Corporate | Other cost of goods sold
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.0
Pre-tax expenses recognized	0.0
Corporate | Total cost of goods sold
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	0.0
Pre-tax expenses recognized	0.0
Corporate | Severance and related costs, net
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	116.8
Pre-tax expenses recognized	110.8
Corporate | Accelerated depreciation
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	6.1
Pre-tax expenses recognized	4.7
Corporate | Contract/lease cancellation expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	19.8
Pre-tax expenses recognized	0.3
Corporate | Consulting/professional fees
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	96.1
Pre-tax expenses recognized	38.1
Corporate | Other selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	13.2
Pre-tax expenses recognized	8.2
Corporate | Total selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax expenses anticipated to be recognized	252.0
Pre-tax expenses recognized	$ 162.1