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Rental Equipment | 12 Months Ended
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Sep. 30, 2017
Rental Equipment [Abstract] |
Rental Equipment | 8. Rental Equipment Rental equipment consisted of the following (in thousands):
|  | AS OF SEPTEMBER 30, |
|  | 2017 |  |  | 2016 |  |  | 2015 |
Rental equipment, primarily wireless recording equipment |  | $ | 55,734 |  |  | $ | 68,959 |  |  | $ | 75,359 |
Accumulated depreciation and impairment |  |  | (39,272 | ) |  |  | (37,986 | ) |  |  | (29,323 | )
|  | $ | 16,462 |  |  | $ | 30,973 |  |  | $ | 46,036 |
Rental equipment depreciation expense was $12.5 million, $14.5 million and $13.9 million in fiscal years 2017, 2016 and 2015, respectively. Impairment expense of $1.8 million on rental equipment was incurred in fiscal year 2016. The Company transferred $1.7 million, $4.0 million and $5.0 million of inventories to its rental equipment during fiscal years 2017, 2016 and 2015, respectively, which had a non-cash impact.

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- Definition Rental equipment. + References No definition available. + Details
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