v3.8.0.1

Debt - Narrative (Details) - Term Loan - USD ($) $ in Millions				12 Months Ended
	Nov. 20, 2017	May 19, 2017	Nov. 18, 2016	Dec. 31, 2017	Dec. 31, 2015	Nov. 03, 2016
Debt Instrument [Line Items]
Premiums on long-term debt						$ 8.9
Third New First Term Loan
Debt Instrument [Line Items]
Interest rate on aggregate principal balance	0.25%
Interest rate during the period				3.57%
Third New First Term Loan | LIBOR Floor
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	2.25%
Second New First Lien Term Loan
Debt Instrument [Line Items]
Interest rate on aggregate principal balance		0.25%
Interest rate during the period		3.67%
Long-term debt, principal balance		$ 993.8
Second New First Lien Term Loan | LIBOR Floor
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		2.50%
Third First Lien Term Loan
Debt Instrument [Line Items]
Interest rate on aggregate principal balance			0.25%
Interest rate during the period				4.00%
Long-term debt, principal balance			$ 996.3
Third First Lien Term Loan | LIBOR Floor
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			3.00%
First Lien Term Loan
Debt Instrument [Line Items]
Interest rate on aggregate principal balance					0.25%
First Lien Term Loan | LIBOR Floor
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)					3.50%
Hostess Brands, LLC
Debt Instrument [Line Items]
Prepayment penalties			$ 3.0
Hostess Brands, LLC | First Lien Term Loan
Debt Instrument [Line Items]
Long-term debt, principal balance			915.7
Hostess Brands, LLC | Second Lien Term Loan
Debt Instrument [Line Items]
Long-term debt, principal balance			$ 83.0
Minimum | First Lien Term Loan | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)					2.25%
Maximum | First Lien Term Loan | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)					2.50%

X

- Definition

Debt Instrument, Prepayment Fees

+ References

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

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- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-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=6877327&loc=d3e13212-122682

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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=6877327&loc=d3e13212-122682

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- 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.

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- Definition

Amount, after accumulated amortization, of debt premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-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=6876686&loc=d3e534808-122878

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