Debt Instrument, Redemption Price, Percentage of Principle Amount Remaining Outstanding

No definition available.

Name:	entg_DebtInstrumentRedemptionPricePercentageOfPrincipleAmountRemainingOutstanding
Namespace Prefix:	entg_
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- Definition

Percentage of aggregate principal amount of the then total outstanding notes to declare the principal, premium, if any, interest and any other monetary obligations on all the then-outstanding notes to be due and payable immediately upon event of default

+ References

No definition available.

+ Details

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

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer upon a change of control

+ References

No definition available.

+ Details

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

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ 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
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
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 cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

+ Details

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

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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2028 Notes (Detail) - USD ($) $ in Thousands	9 Months Ended
2028 Notes (Detail) - USD ($) $ in Thousands	Sep. 26, 2020	Sep. 28, 2019	Dec. 31, 2019
Debt Instrument [Line Items]
Total	$ 1,095,000		$ 946,000
Payments for debt issuance costs	$ 3,964	$ 0
Redemption prior to April 15, 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	40.00%
Debt Instrument, Redemption Price, Percentage of Principle Amount Remaining Outstanding	60.00%
Senior unsecured notes due 2028
Debt Instrument [Line Items]
Total	$ 400,000		0
Debt Instrument, Interest Rate, Stated Percentage	4.375%
Debt Instrument, Redemption Price, Percentage	100.00%
Redemption price, change of control	101.00%
Event of default percentage	25.00%
Senior unsecured notes due 2028 \| Redemption prior to April 15, 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage	104.375%
Senior unsecured notes due 2028 \| Redemption After 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage	102.188%
Senior unsecured notes due 2028 \| Redemption After 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage	101.094%
Senior unsecured notes due 2028 \| Redemption after 2025 and thereafter [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage	100.00%
Senior unsecured notes due 2026
Debt Instrument [Line Items]
Total	$ 550,000		$ 550,000
Debt Instrument, Interest Rate, Stated Percentage	4.625%