Goodwill and Other Intangible Assets (Detail) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
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Sep. 30, 2018
USD ($)
|
Sep. 30, 2017
USD ($)
|
Sep. 30, 2018
USD ($)
division
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Sep. 30, 2017
USD ($)
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||||
| Number of internal divisions | division | 2 | |||
| Amortization of intangible assets | $ | $ 10,623 | $ 8,979 | $ 31,535 | $ 22,035 |
| X | ||||||||||
- Definition Number of internal divisions. No definition available.
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| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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