XML 21 R11.htm IDEA: XBRL DOCUMENT
v3.22.1

Details of Selected Balance Sheet Accounts | 3 Months Ended
--- | ---
Mar. 31, 2022
Details of Selected Balance Sheet Accounts [Abstract] |
Details of Selected Balance Sheet Accounts | Details of Selected Balance Sheet Accounts Additional information regarding selected balance sheet accounts as of March 31, 2022 and December 31, 2021 is presented below (in thousands):
| March 31, 2022 |  | December 31, 2021
Accounts receivable, net: |  |  |
Trade | $ | 124,692 |  |  | $ | 116,434 |
Unbilled revenue | 24,368 |  |  | 24,389 |
Contract assets | 39,937 |  |  | 39,755 |
Other | 10,039 |  |  | 9,973 |
Total accounts receivable | 199,036 |  |  | 190,551 |
Allowance for doubtful accounts | (4,779) |  |  | (4,471) |
| $ | 194,257 |  |  | $ | 186,080 |
Allowance for doubtful accounts as a percentage of total accounts receivable | 2 | % |  | 2 | %
| March 31, 2022 |  | December 31, 2021
Deferred revenue (contract liabilities) | $ | 47,560 |  |  | $43,236
As of March 31, 2022, accounts receivable, net in the United States and the United Kingdom represented 78% and 12%, respectively, of the total. No other country or single customer accounted for more than 10% of the Company's total accounts receivable as of March 31, 2022. For the three months ended March 31, 2022, the $0.2 million net increase in contract assets was attributable to $15.3 million in revenue recognized during the period, which was substantially offset by $15.1 million transferred to accounts receivable. Deferred revenue (contract liabilities) increased by $4.3 million in the first three months of 2022, reflecting $10.9 million in new customer billings which were not recognized as revenue during the period, offset by the recognition of $6.6 million of revenue that was deferred at the beginning of the period. The following provides a summary of activity in the allowance for doubtful accounts for the three months ended March 31, 2022 and 2021 (in thousands):
| Three Months Ended March 31,
| 2022 |  | 2021
Allowance for doubtful accounts – January 1 | $ | 4,471 |  |  | $ | 8,304 |
Provisions | 943 |  |  | 214 |
Write-offs | (635) |  |  | (116) |
Other | — |  |  | 143 |
Allowance for doubtful accounts – March 31 | $ | 4,779 |  |  | $ | 8,545 |
| March 31, 2022 |  | December 31, 2021
Inventories, net: |  |  |
Finished goods and purchased products | $ | 91,215 |  |  | $ | 87,934 |
Work in process | 30,706 |  |  | 24,722 |
Raw materials | 98,285 |  |  | 96,357 |
Total inventories | 220,206 |  |  | 209,013 |
Allowance for excess or obsolete inventory | (39,320) |  |  | (40,440) |
| $ | 180,886 |  |  | $ | 168,573 |
|  |  | March 31, 2022 |  | December 31, 2021
Property, plant and equipment, net: |  |  |  |  |  |  |  |  |
Property, plant and equipment |  | $ | 1,140,743 |  |  | $ | 1,151,533 |
Accumulated depreciation |  | (810,625) |  |  | (812,950) |
|  |  |  |  |  |  | $ | 330,118 |  |  | $ | 338,583 |
For the three months ended March 31, 2022 and 2021, depreciation expense was $12.7 million and $16.4 million, respectively. During the first quarter of 2021, the Well Site Services segment recognized non-cash impairment charges of $0.7 million to reduce the carrying value of certain of the segment's fixed assets to their estimated realizable value.
| March 31, 2022 |  | December 31, 2021
Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Other intangible assets: |  |  |  |  |  |  |  |  |  |  |
Customer relationships | $ | 168,276 |  |  | $ | 69,509 |  |  | $ | 98,767 |  |  | $ | 168,284 |  |  | $ | 66,734 |  |  | $ | 101,550 |
Patents/Technology/Know-how | 78,815 |  |  | 34,679 |  |  | 44,136 |  |  | 78,821 |  |  | 33,151 |  |  | 45,670 |
Tradenames and other | 53,682 |  |  | 15,946 |  |  | 37,736 |  |  | 53,708 |  |  | 15,179 |  |  | 38,529 |
| $ | 301,299 |  |  | $ | 120,660 |  |  | $ | 180,639 |  |  | $ | 300,813 |  |  | $ | 115,064 |  |  | $ | 185,749 |
For the three months ended March 31, 2022 and 2021, amortization expense was $5.2 million and $5.2 million, respectively.
| March 31, 2022 |  | December 31, 2021
Other noncurrent assets: |  |  |
Deferred compensation plan | $ | 21,607 |  |  | $ | 23,348 |
Deferred financing costs | 2,525 |  |  | 2,674 |
Deferred income taxes | 1,341 |  |  | 1,878 |
Other | 4,815 |  |  | 4,989 |
| $ | 30,288 |  |  | $ | 32,889 |
| March 31, 2022 |  | December 31, 2021
Accrued liabilities: |  |  |
Accrued compensation | $ | 16,586 |  |  | $ | 20,904 |
Accrued taxes, other than income taxes | 6,758 |  |  | 5,130 |
Insurance liabilities | 5,231 |  |  | 6,361 |
Accrued interest | 5,337 |  |  | 3,629 |
Accrued commissions | 2,502 |  |  | 2,194 |
Other | 5,127 |  |  | 5,183 |
| $ | 41,541 |  |  | $ | 43,401 |

X
- Definition Details of Selected Balance Sheet Accounts [Abstract] + References No definition available. + Details
Name: | ois_DetailsofSelectedBalanceSheetAccountsAbstract
Namespace Prefix: | ois_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
Name: | us-gaap_SupplementalBalanceSheetDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration