Other Accrued Liabilities (Details) (USD $)	Feb. 28, 2015	Feb. 28, 2014
Other Liabilities Disclosure [Abstract]
Accrued interest	$ 2,878,031us-gaap_InterestPayableCurrent	$ 3,414,504us-gaap_InterestPayableCurrent
Tenant improvements	745,087azz_TenantImprovementsCurrent	983,664azz_TenantImprovementsCurrent
Accrued warranty	2,287,310	1,337,717
Commissions	2,539,642us-gaap_AccruedSalesCommissionCurrent	1,258,983us-gaap_AccruedSalesCommissionCurrent
Personnel expenses	6,033,578	5,578,772
Group medical insurance	1,501,972us-gaap_AccruedInsuranceCurrent	1,857,940us-gaap_AccruedInsuranceCurrent
Other	2,301,565azz_OtherLiabilitiesAccruedCurrent	2,723,850azz_OtherLiabilitiesAccruedCurrent
Total other accrued liabilities	$ 18,287,185us-gaap_OtherAccruedLiabilitiesCurrent	$ 17,155,430us-gaap_OtherAccruedLiabilitiesCurrent

Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for sales commissions. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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