Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 24, 2023	Nov. 25, 2022	Nov. 24, 2023	Nov. 25, 2022	Aug. 25, 2023	Feb. 24, 2023	Aug. 26, 2022	Feb. 25, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (64.8)	$ (81.3)	$ (64.8)	$ (81.3)	$ (65.9)	$ (72.5)	$ (89.8)	$ (50.6)
Other comprehensive income (loss) before reclassifications	1.3		8.3
Amounts reclassified from accumulated other comprehensive income (loss)	(0.2)		(0.6)
Other comprehensive income (loss)	1.1	8.5	7.7	(30.7)
Income tax expense	9.8	5.2	20.7	7.6
Interest Expense	6.4	7.6	19.6	21.2
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income (loss)	(0.2)	(0.1)	(0.6)	(0.2)
Unrealized gain (loss) on investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	0.3		0.3		(0.1)	(0.1)
Other comprehensive income (loss) before reclassifications	0.4		0.4
Amounts reclassified from accumulated other comprehensive income (loss)	0.0		0.0
Other comprehensive income (loss)	0.4		0.4
Pension and other post-retirement liability adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	7.8		7.8		8.0	9.3
Other comprehensive income (loss) before reclassifications	0.2		(0.2)
Amounts reclassified from accumulated other comprehensive income (loss)	(0.4)		(1.3)
Other comprehensive income (loss)	(0.2)		(1.5)
Pension and other post-retirement liability adjustments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income (loss)	(0.4)	(0.3)	(1.3)	(0.9)
Income tax expense	0.1	0.1	0.4	0.3
Pension and other post-retirement liability adjustments [Member] | Actuarial losses (gains) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Income	(0.5)	(0.4)	(1.7)	(1.2)
Derivative Amortization
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(5.0)		(5.0)		(5.2)	(5.7)
Other comprehensive income (loss) before reclassifications	0.0		0.0
Amounts reclassified from accumulated other comprehensive income (loss)	0.2		0.7
Other comprehensive income (loss)	0.2		0.7
Derivative Amortization | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income (loss)	0.2	0.2	0.7	0.7
Income tax expense	0.0	(0.1)	(0.2)	(0.3)
Derivative Amortization | Derivative [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest Expense	0.2	$ 0.3	0.9	$ 1.0
Foreign currency translation adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(67.9)		(67.9)		$ (68.6)	$ (76.0)
Other comprehensive income (loss) before reclassifications	0.7		8.1
Amounts reclassified from accumulated other comprehensive income (loss)	0.0		0.0
Other comprehensive income (loss)	$ 0.7		$ 8.1