Amortization Period of Finite Lived Intangible Assets (Detail)
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6 Months Ended |
May. 31, 2015 |
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| Noncompete Agreements |
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| Finite-Lived Intangible Assets [Line Items] |
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| Amortization period of finite lived intangible assets |
5 years
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| Finite lived intangible assets amortization method |
Straight line over 5 years
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| Computer Software, Intangible Asset |
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| Finite-Lived Intangible Assets [Line Items] |
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| Finite lived intangible assets amortization method |
Straight line over 3-5 years
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| Computer Software, Intangible Asset | Minimum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Amortization period of finite lived intangible assets |
3 years
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| Computer Software, Intangible Asset | Maximum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Amortization period of finite lived intangible assets |
5 years
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| Customer Related Intangibles |
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| Finite-Lived Intangible Assets [Line Items] |
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| Finite lived intangible assets amortization method |
Straight line or the pattern in which the economic benefits are expected to be realized, over an estimated life of 4-15 years
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| Customer Related Intangibles | Minimum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Amortization period of finite lived intangible assets |
4 years
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| Customer Related Intangibles | Maximum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Amortization period of finite lived intangible assets |
15 years
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| Marketing Related Intangibles |
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| Finite-Lived Intangible Assets [Line Items] |
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| Finite lived intangible assets amortization method |
The pattern in which the economic benefits are expected to be realized, over an estimated life of 3-10 years
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| Marketing Related Intangibles | Minimum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Amortization period of finite lived intangible assets |
3 years
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| Marketing Related Intangibles | Maximum |
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| Finite-Lived Intangible Assets [Line Items] |
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| Amortization period of finite lived intangible assets |
10 years
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| Technology Related Intangibles |
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| Finite-Lived Intangible Assets [Line Items] |
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| Amortization period of finite lived intangible assets |
10 years
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| Finite lived intangible assets amortization method |
The pattern in which the economic benefits are expected to be realized, over an estimated life of 10 years
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