FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured at Fair Value (Details) - Recurring - USD ($) $ in Millions	Jun. 20, 2020	Feb. 29, 2020
Cash equivalents:
Short-term investments	$ 13.0	$ 13.5
Non-current investments	84.3	85.9
Total	111.3	101.4
Liabilities:
Derivative contracts	78.3	66.4
Total	78.3	66.4
Quoted prices in active markets for identical assets (Level 1)
Cash equivalents:
Short-term investments	3.8	5.0
Non-current investments	22.3	26.8
Total	40.1	33.8
Liabilities:
Derivative contracts	0.0	0.0
Total	0.0	0.0
Significant observable inputs (Level 2)
Cash equivalents:
Short-term investments	9.2	8.5
Non-current investments	62.0	59.1
Total	71.2	67.6
Liabilities:
Derivative contracts	78.3	66.4
Total	78.3	66.4
Significant unobservable inputs (Level 3)
Cash equivalents:
Short-term investments	0.0	0.0
Non-current investments	0.0	0.0
Total	0.0	0.0
Liabilities:
Derivative contracts	0.0	0.0
Total	0.0	0.0
Money market
Cash equivalents:
Money market	14.0	2.0
Money market | Quoted prices in active markets for identical assets (Level 1)
Cash equivalents:
Money market	14.0	2.0
Money market | Significant observable inputs (Level 2)
Cash equivalents:
Money market	0.0	0.0
Money market | Significant unobservable inputs (Level 3)
Cash equivalents:
Money market	$ 0.0	$ 0.0