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

No definition available.

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Namespace Prefix:	sri_
Data Type:	xbrli:monetaryItemType
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- Definition

This element represents the percentage of state value added tax.

+ References

No definition available.

+ Details

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Namespace Prefix:	sri_
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Balance Type:	na
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- 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 SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section Y

-Paragraph Question 1

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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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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

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- 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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- 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

-Subparagraph (b)

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-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

+ Details

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- 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 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.24)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 24

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14394-108349

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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Details

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Commitments and Contingencies (Narrative) (Details) In Thousands, unless otherwise specified	3 Months Ended					3 Months Ended		12 Months Ended
	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Mar. 31, 2014 Accrued Expenses and Other Current Liabilities [Member] USD ($)	Dec. 31, 2013 Accrued Expenses and Other Current Liabilities [Member] USD ($)	Mar. 31, 2014 Letter of Credit [Member] USD ($)	Mar. 31, 2014 PST Eletronicaltda [Member] USD ($)	Mar. 31, 2014 PST Eletronicaltda [Member] BRL	Dec. 31, 2013 PST Eletronicaltda [Member] USD ($)	Mar. 31, 2014 PST Eletronicaltda [Member] Value Added Tax [Member] USD ($)	Mar. 31, 2014 PST Eletronicaltda [Member] Value Added Tax [Member] BRL	Mar. 31, 2014 PST Eletronicaltda [Member] Interest On Tax [Member] USD ($)	Mar. 31, 2014 PST Eletronicaltda [Member] Interest On Tax [Member] BRL	Mar. 31, 2014 PST Eletronicaltda [Member] Penalties On Tax [Member] USD ($)	Mar. 31, 2014 PST Eletronicaltda [Member] Penalties On Tax [Member] BRL	Mar. 31, 2014 Minda Stoneridge Instruments Ltd [Member]	Dec. 31, 2013 Minda Stoneridge Instruments Ltd [Member]
Short-term Debt [Line Items]
Environmental remediation accrued undiscounted liability	$ 944	$ 944	$ 683	$ 683
Line of credit					2,000
Loss contingency, estimate of possible loss	19,000					13,633		11,469
Equity method investment, ownership percentage															49.00%	49.00%
Loss contingencies aggregate tax assessment not accrued						40,900	92,500		5,800	13,200	5,100	11,400	30,000	67,900
Percentage of state value added tax	25.00%
Percentage ownership in consolidated subsidiary	74.00%					74.00%	74.00%	74.00%
Product warranty and recall accrual	$ 1,133	$ 1,019