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v2.4.1.9

Debt (Schedule of Debt) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014 | Oct. 04, 2010
Debt Instrument [Line Items] |  |  |
Revolving credit facilities | $ 100,000 us-gaap_LineOfCreditFacilityAmountOutstanding | $ 100,000 us-gaap_LineOfCreditFacilityAmountOutstanding |
Debt: |  |  |
Total debt | 23,388 us-gaap_BorrowedFunds | 30,306 us-gaap_BorrowedFunds |
Less: current portion | (15,917)us-gaap_LongTermDebtCurrent | (19,655)us-gaap_LongTermDebtCurrent |
Total long-term debt, net | 7,471 us-gaap_LongTermDebtNoncurrent | 10,651 us-gaap_LongTermDebtNoncurrent |
Revolving Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Revolving credit facilities | 100,000 us-gaap_LineOfCreditFacilityAmountOutstanding / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember | 100,000 us-gaap_LineOfCreditFacilityAmountOutstanding / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember |
Debt: |  |  |
Debt interest rate | 1.83%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember |  |
Debt, maturity | September - 2019 |  |
Senior Notes [Member] |  |  |
Debt: |  |  |
Debt interest rate |  |  | 9.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
PST Short-Term Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Short-term debt | 8,608 us-gaap_ShortTermBorrowings / us-gaap_LongtermDebtTypeAxis = sri_PstShortTermNotesMember | 11,249 us-gaap_ShortTermBorrowings / us-gaap_LongtermDebtTypeAxis = sri_PstShortTermNotesMember |
Debt: |  |  |
Debt, maturity | Various 2015 |  |
PST Short-Term Notes [Member] | Maximum [Member] |  |  |
Debt: |  |  |
Interest rate maximum | 15.97%us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum / us-gaap_LongtermDebtTypeAxis = sri_PstShortTermNotesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
PST Short-Term Notes [Member] | Minimum [Member] |  |  |
Debt: |  |  |
Interest rate minimum | 12.72%us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum / us-gaap_LongtermDebtTypeAxis = sri_PstShortTermNotesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
PST Long-Term Notes [Member] |  |  |
Debt: |  |  |
Long-term debt | 12,726 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = sri_PstLongTermNotesMember | 16,770 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = sri_PstLongTermNotesMember |
Debt maturity period range start | 2016 |  |
Debt maturity period range end | 2021 |  |
PST Long-Term Notes [Member] | Maximum [Member] |  |  |
Debt: |  |  |
Interest rate maximum | 8.00%us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMaximum / us-gaap_LongtermDebtTypeAxis = sri_PstLongTermNotesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
PST Long-Term Notes [Member] | Minimum [Member] |  |  |
Debt: |  |  |
Interest rate minimum | 4.00%us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum / us-gaap_LongtermDebtTypeAxis = sri_PstLongTermNotesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Other [Member] |  |  |
Debt: |  |  |
Total debt | 602 us-gaap_BorrowedFunds / us-gaap_LongtermDebtTypeAxis = sri_OtherDebtMember | 837 us-gaap_BorrowedFunds / us-gaap_LongtermDebtTypeAxis = sri_OtherDebtMember |
Suzhou Note [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Short-term debt | $ 1,452 us-gaap_ShortTermBorrowings / us-gaap_LongtermDebtTypeAxis = sri_SuzhouLongTermNoteMember | $ 1,450 us-gaap_ShortTermBorrowings / us-gaap_LongtermDebtTypeAxis = sri_SuzhouLongTermNoteMember |
Debt: |  |  |
Debt, maturity | April - 2015 |  |
Long-term debt, weighted average interest rate | 6.72%us-gaap_LongtermDebtWeightedAverageInterestRate / us-gaap_LongtermDebtTypeAxis = sri_SuzhouLongTermNoteMember |  |

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- Definition When presenting a range of interest rates, the highest effective rate for funds borrowed under the debt agreement as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 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 + Details
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- Definition Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 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)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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