XML 88 R74.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Stock Compensation - Schedule By Exercise Price Range (Details) - $ / shares | 12 Months Ended |  |
--- | --- | --- | ---
Feb. 28, 2017 | Feb. 29, 2016 | Feb. 28, 2015 | Feb. 28, 2014
Stock Appreciation Rights (SARs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total Options/ SAR’s (shares) | 170,139 | 312,748 | 376,982 | 396,174
Weighted Average Exercise Price, Outstanding (usd per share) | $ 42.02 | $ 34.23 | $ 31.27 | $ 26.64
Options / SAR’s Currently Exercisable (shares) | 126,975 | 217,961 | 204,107 |
Weighted Average Exercise Price, Exercisable (usd per share) | $ 41.27 | $ 29.83 | $ 21.55 |
$9.06 [Member] | Stock Appreciation Rights (SARs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices (usd per share) | $ 20.91 |  |  |
Total Options/ SAR’s (shares) | 9,954 |  |  |
Average Remaining Life | 1 year |  |  |
Weighted Average Exercise Price, Outstanding (usd per share) | $ 20.91 |  |  |
Options / SAR’s Currently Exercisable (shares) | 9,954 |  |  |
Weighted Average Exercise Price, Exercisable (usd per share) | $ 20.91 |  |  |
$15.84 [Member] | Stock Appreciation Rights (SARs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices (usd per share) | $ 25.67 |  |  |
Total Options/ SAR’s (shares) | 9,538 |  |  |
Average Remaining Life | 2 years |  |  |
Weighted Average Exercise Price, Outstanding (usd per share) | $ 25.67 |  |  |
Options / SAR’s Currently Exercisable (shares) | 9,538 |  |  |
Weighted Average Exercise Price, Exercisable (usd per share) | $ 25.67 |  |  |
$20.91 [Member] | Stock Appreciation Rights (SARs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices (usd per share) | $ 39.65 |  |  |
Total Options/ SAR’s (shares) | 950 |  |  |
Average Remaining Life | 3 years 6 months 6 days |  |  |
Weighted Average Exercise Price, Outstanding (usd per share) | $ 39.65 |  |  |
Options / SAR’s Currently Exercisable (shares) | 950 |  |  |
Weighted Average Exercise Price, Exercisable (usd per share) | $ 39.65 |  |  |
$25.67 [Member] | Stock Appreciation Rights (SARs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices (usd per share) | $ 43.92 |  |  |
Total Options/ SAR’s (shares) | 89,180 |  |  |
Average Remaining Life | 4 years 3 days |  |  |
Weighted Average Exercise Price, Outstanding (usd per share) | $ 43.92 |  |  |
Options / SAR’s Currently Exercisable (shares) | 56,016 |  |  |
Weighted Average Exercise Price, Exercisable (usd per share) | $ 43.92 |  |  |
$45.36 [Member] | Stock Appreciation Rights (SARs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices (usd per share) | $ 45.26 |  |  |
Total Options/ SAR’s (shares) | 40,000 |  |  |
Average Remaining Life | 3 years 8 months 4 days |  |  |
Weighted Average Exercise Price, Outstanding (usd per share) | $ 45.26 |  |  |
Options / SAR’s Currently Exercisable (shares) | 30,000 |  |  |
Weighted Average Exercise Price, Exercisable (usd per share) | $ 45.26 |  |  |
$45.26 [Member] | Stock Appreciation Rights (SARs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices (usd per share) | $ 45.36 |  |  |
Total Options/ SAR’s (shares) | 19,758 |  |  |
Average Remaining Life | 3 years |  |  |
Weighted Average Exercise Price, Outstanding (usd per share) | $ 45.36 |  |  |
Options / SAR’s Currently Exercisable (shares) | 19,758 |  |  |
Weighted Average Exercise Price, Exercisable (usd per share) | $ 45.36 |  |  |
$42.08 [Member] | Stock Appreciation Rights (SARs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices (usd per share) | $ 46.43 |  |  |
Total Options/ SAR’s (shares) | 759 |  |  |
Average Remaining Life | 3 years 8 months 18 days |  |  |
Weighted Average Exercise Price, Outstanding (usd per share) | $ 46.43 |  |  |
Options / SAR’s Currently Exercisable (shares) | 759 |  |  |
Weighted Average Exercise Price, Exercisable (usd per share) | $ 46.43 |  |  |
$9.06 - $45.36 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Exercise price range, lower limit (usd per share) |  | 9.06 |  |
Exercise price range, upper limit (usd per share) |  | $ 46.43 |  |
$9.06 - $45.36 [Member] | Stock Appreciation Rights (SARs) [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total Options/ SAR’s (shares) | 170,139 |  |  |
Average Remaining Life | 3 years 6 months 7 days |  |  |
Weighted Average Exercise Price, Outstanding (usd per share) | $ 42.02 |  |  |
Options / SAR’s Currently Exercisable (shares) | 126,975 |  |  |
Weighted Average Exercise Price, Exercisable (usd per share) | $ 41.27 |  |  |

X
- Definition Share based compensation arrangement by share based payment award option and other than option exercisable number. + References No definition available. + Details
Name: | azz_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionAndOtherThanOptionExercisableNumber
Namespace Prefix: | azz_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share based compensation arrangement by share based payment award option and other than option exercisable weighted average exercise price. + References No definition available. + Details
Name: | azz_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionAndOtherThanOptionExercisableWeightedAverageExercisePrice
Namespace Prefix: | azz_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share based compensation arrangement by share based payment award options and other than option outstanding number. + References No definition available. + Details
Name: | azz_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndOtherThanOptionOutstandingNumber
Namespace Prefix: | azz_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share based compensation arrangement by share based payment award options and other than option outstanding weighted average exercise price. + References No definition available. + Details
Name: | azz_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndOtherThanOptionOutstandingWeightedAverageExercisePrice
Namespace Prefix: | azz_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation, Shares Authorized under Stock Option Plans And Other Than Option, Exercise Price Range, Upper Range Limit + References No definition available. + Details
Name: | azz_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansAndOtherThanOptionExercisePriceRangeUpperRangeLimit
Namespace Prefix: | azz_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation, Shares Authorized under Stock Option Plans And Other Than Stock Option, Exercise Price Range, Lower Range Limit + References No definition available. + Details
Name: | azz_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansAndOtherThanStockOptionExercisePriceRangeLowerRangeLimit
Namespace Prefix: | azz_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price + References No definition available. + Details
Name: | azz_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePrice
Namespace Prefix: | azz_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Shared-based Compesantion Arrangement by Share-based Payment Award, Options And Equity Instruments Other Than Options, Exercise Price Range, Weigthed Average Remaining Contractual Term + References No definition available. + Details
Name: | azz_SharedBasedCompesantionArrangementByShareBasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsWeigthedAverageRemainingContractualTerm
Namespace Prefix: | azz_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_StockAppreciationRightsSARSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=azz_ExercisePriceRangeOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=azz_ExercisePriceRangeTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=azz_ExercisePriceRangeThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=azz_ExercisePriceRangeFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=azz_ExercisePriceRangeSevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=azz_ExercisePriceRangeEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=azz_ExercisePriceRangeNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=azz_ExercisePriceRangeFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |