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v3.19.1

Segment Information - Selected Financial Data (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Segment Reporting Information [Line Items] |  |
Revenues | $ 205,855 | $ 209,310
Depreciation and amortization expense | (24,852) | (24,993)
Stock-based compensation expense | (6,585) | (6,362)
Corporate and unallocated expenses | (24,662) | (20,014)
Interest, net | (8,581) | (6,621)
Other, net | (1,912) | (55)
Income (loss) before income taxes | (38,586) | (23,380)
Operating Segments [Member] | ACI On Premise [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues | 96,007 | 105,030
Segment Adjusted EBITDA | 28,268 | 38,898
Depreciation and amortization expense | 3,030 | 2,975
Stock-based compensation expense | 1,956 | 1,467
Operating Segments [Member] | ACI On Demand [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues | 109,848 | 104,280
Segment Adjusted EBITDA | (262) | (4,233)
Depreciation and amortization expense | 7,562 | 7,736
Stock-based compensation expense | 1,951 | 1,463
Corporate and Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Depreciation and amortization expense | 14,260 | 14,282
Stock-based compensation expense | $ 2,678 | $ 3,432

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