Line Of Credit, Maximum Capacity For Base Rate Protective Advances

No definition available.

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Namespace Prefix:	bas_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
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-Name Accounting Standards Codification
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-Section S99
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-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

+ Details

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Period Type:	duration

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- Details

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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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Long-Term Debt and Interest Expense - Narrative (Details) - USD ($)		3 Months Ended
	Oct. 02, 2018	Mar. 31, 2019
Debt Instrument [Line Items]
Repayments of debt	$ 290,000,000.0
Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 300,000,000.0
Stated interest rate	10.75%
Debt discount percentage	99.042%
Debt yield	11.00%
ABL Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 150,000,000.0	$ 66,200,000
Maximum capacity for base rate protective advances	10,000,000.0
ABL Facility \| Letters of Credit
Debt Instrument [Line Items]
Letters of credit outstanding		$ 39,600,000
Maximum borrowing capacity	50,000,000.0
ABL Facility \| Swingline Loans
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 15,000,000.0
Minimum \| Senior Notes
Debt Instrument [Line Items]
Redemption price, percentage of aggregate principal amount outstanding		25.00%
Redemption period, on or prior to October 15, 2020 \| Senior Notes
Debt Instrument [Line Items]
Debt discount percentage		110.80%
Redemption period, on or prior to October 15, 2020 \| Maximum \| Senior Notes
Debt Instrument [Line Items]
Redemption price, percentage of aggregate principal amount outstanding		35.00%
Redemption period, prior to October 15, 2020 \| Senior Notes
Debt Instrument [Line Items]
Debt discount percentage		100.00%
Redemption period, between April 15, 2019 and October 15, 2019 \| Senior Notes
Debt Instrument [Line Items]
Debt discount percentage		105.40%
Redemption period, between October 15, 2019 and October 15, 2020 \| Senior Notes
Debt Instrument [Line Items]
Debt discount percentage		108.10%
Redemption period due to change in control \| Senior Notes
Debt Instrument [Line Items]
Debt discount percentage		101.00%