Litigation Settlement, Maximum Awarded to All Plainfiffs

No definition available.

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

- Definition

This element represents the amount of aggregate tax assessment as of the balance sheed date that has not been accrued.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Number of vehicles the plaintiff states are effected

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

This element represents the percentage of state value added tax.

+ References

No definition available.

+ Details

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Namespace Prefix:	sri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Undiscounted amount of the accrual for environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q1)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

+ Details

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Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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))
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+ Details

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

- Definition

Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

+ References

+ Details

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

- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

+ Details

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

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
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+ Details

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

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
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+ Details

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

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 3
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Balance Type:	credit
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

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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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- Details

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Period Type:

- Details

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- Details

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Commitments and Contingencies (Narrative) (Details) BRL in Thousands, $ in Thousands, item in Millions		9 Months Ended	24 Months Ended
	Oct. 02, 2017 USD ($)	Sep. 30, 2017 USD ($) item	Dec. 31, 2010	Sep. 30, 2017 BRL	Sep. 30, 2017 USD ($)	Dec. 31, 2016 BRL	Dec. 31, 2016 USD ($)
Short-term Debt [Line Items]
Environmental remediation accrued undiscounted liability					$ 267		$ 446
Number of vehicles the plaintiff states are effected \| item		1
Product warranty and recall accrual					3,481		2,617
Verde v. Stoneridge, Inc. Member
Short-term Debt [Line Items]
Litigation settlement amount	$ 3
Royal v. Stoneridge, Inc. [Member]
Short-term Debt [Line Items]
Litigation liability					525
Royal v. Stoneridge, Inc, Attorney's Fees [Member]
Short-term Debt [Line Items]
Loss contingency, estimate of possible loss					375
Accrued Expenses and Other Current Liabilities [Member]
Short-term Debt [Line Items]
Environmental remediation accrued undiscounted liability					218		370
Letter of Credit [Member]
Short-term Debt [Line Items]
Line of credit					2,000
PST Eletronicaltda [Member]
Short-term Debt [Line Items]
Loss contingencies aggregate tax assessment not accrued				BRL 99,100	31,300
Percentage of state value added tax			25.00%
PST Eletronicaltda [Member] \| Civil, labor and other tax contingencies [Member]
Short-term Debt [Line Items]
Loss contingency, estimate of possible loss				34,900	11,000	BRL 31,800	$ 9,800
PST Eletronicaltda [Member] \| Value Added Tax [Member]
Short-term Debt [Line Items]
Loss contingencies aggregate tax assessment not accrued				13,200	4,200
PST Eletronicaltda [Member] \| Interest On Tax [Member]
Short-term Debt [Line Items]
Loss contingencies aggregate tax assessment not accrued				74,500	23,500
PST Eletronicaltda [Member] \| Penalties On Tax [Member]
Short-term Debt [Line Items]
Loss contingencies aggregate tax assessment not accrued				BRL 11,400	$ 3,600
Maximum [Member] \| Royal v. Stoneridge, Inc. [Member]
Short-term Debt [Line Items]
Maximum loss per plaintiff		$ 5
Litigation Settlement, Maximum Awarded to All Plainfiffs		$ 15