RESTRUCTURING ACTIVITIES - Schedule of Pre-Tax Expenses in Association with the Restructuring Plan (Details) - Pinnacle Integration Restructuring Plan - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Feb. 24, 2019	Feb. 24, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	$ 255.6	$ 255.6	$ 360.0
Recognized pre-tax expenses	36.9	139.5
Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	246.2	246.2
Recognized pre-tax expenses	29.4	132.0
Total cost of goods sold
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	4.9	4.9
Recognized pre-tax expenses	3.0	3.0
Total cost of goods sold | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.0	0.0
Recognized pre-tax expenses	0.0	0.0
Other cost of goods sold
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	4.9	4.9
Recognized pre-tax expenses	3.0	3.0
Other cost of goods sold | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.0	0.0
Recognized pre-tax expenses	0.0	0.0
Total selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	250.7	250.7
Recognized pre-tax expenses	33.9	136.5
Total selling, general and administrative expenses | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	246.2	246.2
Recognized pre-tax expenses	29.4	132.0
Severance and related costs
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	119.8	119.8
Recognized pre-tax expenses	13.2	106.2
Severance and related costs | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	118.5	118.5
Recognized pre-tax expenses	11.9	104.9
Accelerated depreciation
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	1.9	1.9
Recognized pre-tax expenses	1.0	1.3
Accelerated depreciation | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	1.9	1.9
Recognized pre-tax expenses	1.0	1.3
Contract/lease termination
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	21.0	21.0
Recognized pre-tax expenses	0.8	0.8
Contract/lease termination | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	20.2	20.2
Recognized pre-tax expenses	0.0	0.0
Consulting/professional fees
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	94.0	94.0
Recognized pre-tax expenses	15.1	24.2
Consulting/professional fees | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	94.0	94.0
Recognized pre-tax expenses	15.1	24.2
Other selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	14.0	14.0
Recognized pre-tax expenses	3.8	4.0
Other selling, general and administrative expenses | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	11.6	11.6
Recognized pre-tax expenses	1.4	1.6
International | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.7	0.7
Recognized pre-tax expenses	0.7	0.7
International | Total cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.0	0.0
Recognized pre-tax expenses	0.0	0.0
International | Other cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.0	0.0
Recognized pre-tax expenses	0.0	0.0
International | Total selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.7	0.7
Recognized pre-tax expenses	0.7	0.7
International | Severance and related costs | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.7	0.7
Recognized pre-tax expenses	0.7	0.7
International | Accelerated depreciation | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.0	0.0
Recognized pre-tax expenses	0.0	0.0
International | Contract/lease termination | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.0	0.0
Recognized pre-tax expenses	0.0	0.0
International | Consulting/professional fees | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.0	0.0
Recognized pre-tax expenses	0.0	0.0
International | Other selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.0	0.0
Recognized pre-tax expenses	0.0	0.0
Pinnacle Foods | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	8.7	8.7
Recognized pre-tax expenses	6.8	6.8
Pinnacle Foods | Total cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	4.9	4.9
Recognized pre-tax expenses	3.0	3.0
Pinnacle Foods | Other cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	4.9	4.9
Recognized pre-tax expenses	3.0	3.0
Pinnacle Foods | Total selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	3.8	3.8
Recognized pre-tax expenses	3.8	3.8
Pinnacle Foods | Severance and related costs | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.6	0.6
Recognized pre-tax expenses	0.6	0.6
Pinnacle Foods | Accelerated depreciation | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.0	0.0
Recognized pre-tax expenses	0.0	0.0
Pinnacle Foods | Contract/lease termination | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.8	0.8
Recognized pre-tax expenses	0.8	0.8
Pinnacle Foods | Consulting/professional fees | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.0	0.0
Recognized pre-tax expenses	0.0	0.0
Pinnacle Foods | Other selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	2.4	2.4
Recognized pre-tax expenses	$ 2.4	$ 2.4