Segment reporting (Details 2)	12 Months Ended
	Mar. 01, 2014	Mar. 02, 2013	Feb. 25, 2012
Sales by merchandise category as a percentage of total net sales
Merchandise category as a percentage of total net sales	100.00%	100.00%	100.00%
Net sales | Sales by merchandise category | Elfa
Sales by merchandise category as a percentage of total net sales
Merchandise category as a percentage of total net sales	33.00%	33.00%	36.00%
Net sales | Sales by merchandise category | Closet, Bath, Travel, Laundry
Sales by merchandise category as a percentage of total net sales
Merchandise category as a percentage of total net sales	21.00%	20.00%	20.00%
Net sales | Sales by merchandise category | Storage, Box, Shelving
Sales by merchandise category as a percentage of total net sales
Merchandise category as a percentage of total net sales	13.00%	13.00%	13.00%
Net sales | Sales by merchandise category | Kitchen, Food Storage, Trash
Sales by merchandise category as a percentage of total net sales
Merchandise category as a percentage of total net sales	13.00%	13.00%	12.00%
Net sales | Sales by merchandise category | Office, Collections, Hooks
Sales by merchandise category as a percentage of total net sales
Merchandise category as a percentage of total net sales	9.00%	10.00%	9.00%
Net sales | Sales by merchandise category | Containers, Gift Packaging, Seasonal, Impulse
Sales by merchandise category as a percentage of total net sales
Merchandise category as a percentage of total net sales	8.00%	9.00%	8.00%
Net sales | Sales by merchandise category | Services & Other
Sales by merchandise category as a percentage of total net sales
Merchandise category as a percentage of total net sales	2.00%	2.00%	1.00%