Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2025	Feb. 23, 2024	Feb. 24, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (63.5)	$ (66.9)	$ (72.5)
Other comprehensive income (loss) before reclassifications	(7.8)	6.3
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(11.2)	0.7
Income tax expense	13.5	26.0	16.3
Interest Expense, Operating and Nonoperating	25.7	25.9	28.4
Total other comprehensive income (loss), net	3.4	5.6	(21.9)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(11.2)	0.7
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Minimum pension liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(10.3)	1.7
Income tax expense	(2.9)	0.6
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(0.9)	(1.0)
Income tax expense	(0.4)	(0.3)
Actuarial Loss [Member] \| Reclassification out of Accumulated Other Comprehensive Income [Member] \| Minimum pension liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Income	12.4	(2.3)
Prior Service Costs [Member] \| Reclassification out of Accumulated Other Comprehensive Income [Member] \| Minimum pension liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Income	0.8	0.0
Derivative [Member] \| Reclassification out of Accumulated Other Comprehensive Income [Member] \| Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest Expense, Operating and Nonoperating	1.3	1.3
Unrealized gain on investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	1.0	0.4	(0.1)
Other comprehensive income (loss) before reclassifications	0.6	0.5
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0.0	0.0
Total other comprehensive income (loss), net	0.6	0.5
Minimum pension liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	15.2	5.9	9.3
Other comprehensive income (loss) before reclassifications	(1.0)	(1.7)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(10.3)	1.7
Total other comprehensive income (loss), net	9.3	(3.4)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(3.8)	(4.7)	(5.7)
Other comprehensive income (loss) before reclassifications	0.0	0.0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(0.9)	(1.0)
Total other comprehensive income (loss), net	0.9	1.0
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(75.9)	(68.5)	$ (76.0)
Other comprehensive income (loss) before reclassifications	(7.4)	7.5
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0.0	0.0
Total other comprehensive income (loss), net	$ (7.4)	$ 7.5

STEELCASE INC 10-K