Business Combination, Cost of Acquired Entity Debt Paid

No definition available.

Name:	bcpc_BusinessCombinationCostOfAcquiredEntityDebtPaid
Namespace Prefix:	bcpc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs could include legal, accounting and other professional fees. This element also includes costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs and systems integration and conversion costs.

+ References

No definition available.

+ Details

Name:	bcpc_BusinessCombinationTransactionAndIntegrationRelatedCosts
Namespace Prefix:	bcpc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow for payment to former shareholders associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

No definition available.

+ Details

Name:	bcpc_PaymentsToAcquireBusinessesAmountPaidToFormerShareholders
Namespace Prefix:	bcpc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

+ Details

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=bcpc_ZumbroRiverBrandIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_DevelopedTechnologyRightsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=bcpc_ChemogasHoldingNVAndSubsidiariesMember
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Data Type:	na
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Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=bcpc_ChemogasAndZumbroRiverBrandIncMember
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SIGNIFICANT ACQUISITIONS - Narrative (Details) € in Thousands, $ in Thousands				3 Months Ended
	Dec. 13, 2019 USD ($)	May 27, 2019 EUR (€)	May 27, 2019 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	May 27, 2019 USD ($)
Business Acquisition [Line Items]
Goodwill				$ 522,785		$ 523,998
General and Administrative Expense
Business Acquisition [Line Items]
Transaction and integration related costs				1,097	$ 485
Zumbro River Brand, Inc.
Business Acquisition [Line Items]
Payment made on acquisition date	$ 52,403
Amount paid to former shareholders	47,058
Debt paid on purchase date	5,345
Cash acquired from acquisition	686
Cash paid for acquisition, net of payments made to former shareholders	46,372
Goodwill	$ 18,159
Zumbro River Brand, Inc. \| Customer relationships
Business Acquisition [Line Items]
Useful life of intangible assets acquired	15 years
Zumbro River Brand, Inc. \| Trade name
Business Acquisition [Line Items]
Useful life of intangible assets acquired	10 years
Zumbro River Brand, Inc. \| Developed technology
Business Acquisition [Line Items]
Useful life of intangible assets acquired	12 years
Chemogas
Business Acquisition [Line Items]
Payment made on acquisition date		€ 99,503	$ 111,324
Amount paid to former shareholders		88,579	99,102
Debt paid on purchase date		10,924					$ 12,222
Cash acquired from acquisition		3,943					4,412
Cash paid for acquisition, net of payments made to former shareholders		€ 84,636	$ 94,690
Goodwill							$ 59,319
Percentage of outstanding common shares acquired		100.00%					100.00%
Chemogas \| Customer relationships
Business Acquisition [Line Items]
Useful life of intangible assets acquired		20 years	20 years
Chemogas \| Trade name
Business Acquisition [Line Items]
Useful life of intangible assets acquired		2 years	2 years
Chemogas \| Developed technology
Business Acquisition [Line Items]
Useful life of intangible assets acquired		10 years	10 years
Chemogas and Zumbro River Brand, Inc.
Business Acquisition [Line Items]
Transaction and integration related costs				$ 1,068	$ 307