Long-Term Debt - Schedule (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 29, 2020	Feb. 28, 2019
Long-term Debt, Current and Noncurrent [Abstract]
Long-term debt	$ 339,305	$ 320,784
Less current maturities of long-term debt	(1,884)	(1,884)
Long-term debt, excluding current maturities	337,421	318,900
MBFC loan
Long-term Debt, Current and Noncurrent [Abstract]
Long-term debt	20,451	22,335
Maturities of Long-term Debt [Abstract]
Outstanding principal payable next twelve months	1,900
Outstanding principal payable, rolling year two	1,900
Outstanding principal payable, rolling year three	1,900
Outstanding principal payable, rolling year four	$ 14,800
MBFC loan \| Base rate
Long-term Debt, Current and Noncurrent [Abstract]
Margin (as a percent)	1.00%
MBFC loan \| LIBOR
Long-term Debt, Current and Noncurrent [Abstract]
Margin (as a percent)	2.00%
Credit agreement
Long-term Debt, Current and Noncurrent [Abstract]
Long-term debt	$ 318,854	$ 298,449
Maturities of Long-term Debt [Abstract]
Principal amount hedged	$ 225,000

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount of hedged item in hedging relationship. Excludes hedged asset or liability.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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-Name Accounting Standards Codification
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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