XML 19 R8.htm IDEA: XBRL DOCUMENT v3.24.3

UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)	Sep. 30, 2024	Sep. 30, 2023	Mar. 19, 2021	Jan. 30, 2018
4.75% Convertible Senior Notes
Stated interest rate (as a percent)	4.75%	4.75%	4.75%
1.5% Convertible Senior Notes
Stated interest rate (as a percent)	1.50%	1.50%		1.50%

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DebtInstrumentAxis=ois_A475ConvertibleSeniorNotesDue2026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=ois_A1.5ConvertibleSeniorNotesDueFebruary2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: