Schedule II (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Feb. 28, 2017	Feb. 28, 2019	Feb. 28, 2018		Feb. 28, 2017	Mar. 01, 2018	Feb. 29, 2016
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Standard and Extended Product Warranty Accrual		$ 500
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	$ 1,233	1,125	$ 1,205		$ 1,233		$ 1,077
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	6,457	6,112	6,407
SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment	0	0	0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	6,301	6,192	6,435
Standard Product Warranty Accrual, Period Increase (Decrease)		(832)	0		0
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	4,495	2,548	2,196		4,495		3,917
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	1,299	858	667
SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment	0	0	0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	721	506	2,966
SEC Schedule, 12-09, Allowance, Loss on Finance Receivable [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	1,516	4,415	1,660		1,516	$ 3,779	2,256
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense		10,391	5,450		5,294
SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment		0	0		0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction		9,755	5,306		6,034
SEC Schedule, 12-09, Reserve, Warranty [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	5,608	4,469	6,233		5,608		7,608
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	5,843	6,091	7,428
SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment	0	0	0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	7,843	7,855	6,803
Other Noncurrent Liabilities [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	13,154	13,574	14,020		$ 13,154		$ 12,439
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense	36,413	37,272	42,722
SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment	(108)	(202)	(45)
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	$ 35,590	$ 37,516	$ 41,811	[1]

[1] For the allowance for doubtful accounts, cash discount allowances, and accrued sales incentives, deductions represent currency effects, chargebacks and payments made or credits issued to customers. For the reserve for warranties and product repair costs, deductions represent currency effects and payments for labor and parts made to service centers and vendors for the repair of units returned under warranty.