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Changes in Carrying Amount of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended | |
|---|---|---|
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Sep. 30, 2014
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Apr. 17, 2014
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| Goodwill [Line Items] | ||
| Goodwill, Beginning Balance | $ 21,498 | $ 17,800 |
| Business acquisition | 17,837 | |
| Goodwill, Ending Balance | 39,335 | 17,800 |
| Goodwill, Gross | 41,731 | |
| Accumulated impairment losses | (2,396) | |
| Goodwill | 39,335 | 17,800 |
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Lighting Fixtures and Lamps
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| Goodwill [Line Items] | ||
| Goodwill, Beginning Balance | 21,498 | |
| Business acquisition | 17,837 | |
| Transfer of Relume's Media business | (1,463) | |
| Goodwill, Ending Balance | 37,872 | |
| Goodwill, Gross | 39,861 | |
| Accumulated impairment losses | (1,989) | |
| Goodwill | 37,872 | |
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Lighting Signage and Media
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||
| Goodwill [Line Items] | ||
| Transfer of Relume's Media business | 1,463 | |
| Goodwill, Ending Balance | 1,463 | |
| Goodwill, Gross | 1,870 | |
| Accumulated impairment losses | (407) | |
| Goodwill | $ 1,463 |
| X | ||||||||||
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of transfers of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized among segments. No definition available.
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