Revenue (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Feb. 25, 2022	Nov. 26, 2021	Aug. 27, 2021	May 28, 2021	Feb. 26, 2021	Nov. 27, 2020	Aug. 28, 2020	May 29, 2020	Feb. 25, 2022		Feb. 26, 2021	Feb. 28, 2020
Percentage of sales represented by a single industry or vertical market									18.00%		16.00%	15.00%
Revenue	$ 753.1	$ 738.2	$ 724.8	$ 556.6	$ 677.1	$ 617.5	$ 818.8	$ 482.8	$ 2,772.7		$ 2,596.2	$ 3,723.7
Contract with Customer, Liability	$ 53.4				$ 33.7				53.4		33.7
Increase (Decrease) in Contract with Customer, Liability									$ 18.4		2.2	8.3
Sales represented by an individual customer									5.00%
Deposits [Member]
Increase (Decrease) in Contract with Customer, Liability									$ 51.3
Contract with Customer, Liability, Revenue Recognized									(31.6)
UNITED STATES
Revenue									1,848.2		1,739.5	2,469.7
Foreign locations [Member]
Revenue									924.5		856.7	1,254.0
Americas [Member]
Revenue									1,905.0		1,848.5	2,672.9
EMEA [Member]
Revenue									$ 598.5		511.3	669.6
Sales represented by an individual county									5.00%
Sales represented by an individual county									5.00%
Other Segments [Member]
Revenue									$ 269.2		$ 236.4	$ 381.2
Western Europe [Member]
Disclosure on geographic areas percent foreign revenue									90.00%		86.00%	87.00%
Systems and storage [Member] | Americas [Member]
Revenue									$ 903.3		$ 912.0	$ 1,377.5
Systems and storage [Member] | EMEA [Member]
Revenue									214.0		196.4	254.4
Systems and storage [Member] | Other Segments [Member]
Revenue									57.0		49.8	63.6
Seating [Member] | Americas [Member]
Revenue									583.2		559.4	784.2
Seating [Member] | EMEA [Member]
Revenue									208.4		185.9	235.6
Seating [Member] | Other Segments [Member]
Revenue									75.4		69.1	94.1
Other Product Category [Member] | Americas [Member]
Revenue									418.5	[1]	377.1	511.2
Other Product Category [Member] | EMEA [Member]
Revenue									176.1	[1]	129.0	179.6
Other Product Category [Member] | Other Segments [Member]
Revenue									$ 136.8	[1]	$ 117.5	$ 223.5

[1] The other product category data by segment consists primarily of products sold by consolidated dealers, textiles and surface materials, worktools, architecture, technology, other uncategorized product lines and services, less promotions and incentives on all product categories. In 2020, the other product category in the Other category also included revenue from PolyVision.