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Components of Other Intangible Acquired (Detail) - CaseStack, Inc. [Member] $ in Thousands | 9 Months Ended
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Sep. 30, 2019 USD ($)
Customer Relationships [Member] | Logistics [Member] |
Other Intangible Assets [Line Items] |
Finite-lived intangible assets, Gross Amount | $ 65,600
Finite-lived intangible assets, Accumulated Amortization | 5,467
Finite-lived intangible assets, Net Carrying Value | $ 60,133
Intangible assets estimated useful life | 10 years
Customer Relationships [Member] | Transportation [Member] |
Other Intangible Assets [Line Items] |
Finite-lived intangible assets, Gross Amount | $ 8,700
Finite-lived intangible assets, Accumulated Amortization | 1,450
Finite-lived intangible assets, Net Carrying Value | $ 7,250
Intangible assets estimated useful life | 5 years
Trade Name [Member] |
Other Intangible Assets [Line Items] |
Finite-lived intangible assets, Gross Amount | $ 1,300
Finite-lived intangible assets, Accumulated Amortization | 722
Finite-lived intangible assets, Net Carrying Value | $ 578
Intangible assets estimated useful life | 18 months

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