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v3.3.1.900

Other Income (Loss), Net - Schedule of Other Income (Loss) (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Long Lived Assets Held-for-sale [Line Items] |  |  |
Interest income | $ 1,525 | $ 1,822 | $ 1,142
Gain on asset dispositions, net | 1,724 | 2,094 | 436
Land impairment loss | 0 | (50) | (1,557)
Disposal of non-core product lines | (4,223) | 0 | 0
Impairment of intangible assets | (723) | 0 | 0
Other, net | 836 | (1,101) | (196)
Total | (861) | 2,765 | $ (175)
Safety Works |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |
Impairment of intangible assets | (700) |  |
Property in Australia |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |
Gain on asset dispositions, net | 2,000 |  |
Detector Tube Assets |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |
Gain on asset dispositions, net |  | $ 2,200 |
North American Segment | Safety Works |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |
Disposal of non-core product lines | $ (4,200) |  |

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