XML 16 R33.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Financial Instruments and Fair Value Measurements (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014 lb | Sep. 30, 2014 | Sep. 01, 2014 | Oct. 04, 2010
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Amount from cash flow hedge derivatives to be reclassified | $ 936 sri_AmountFromCashFlowHedgeDerivativesToBeReclassified |  |  |  |  |  |
Euro-Denominated Foreign Currency Forward Contracts [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Gain (loss) on derivative instruments held for trading purposes, net | 388 us-gaap_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet / us-gaap_DerivativeByNatureAxis = sri_EuroDenominatedForeignCurrencyForwardContractsMember | (61)us-gaap_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet / us-gaap_DerivativeByNatureAxis = sri_EuroDenominatedForeignCurrencyForwardContractsMember |  |  |  |  |
Interest Rate Swap [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Discription of variable rate basis of derivative | the Company paid a variable interest rate equal to the six-month London Interbank Offered Rate ("LIBOR") plus 7.2% |  |  |  |  |  |
Fixed interest rate | 9.50%us-gaap_DerivativeFixedInterestRate / us-gaap_DerivativeByNatureAxis = us-gaap_InterestRateSwapMember |  |  |  |  |  |
Reduced interest expense as a result of swap |  | (225)sri_IncreaseDecreaseInDerivativeInterestExpenses / us-gaap_DerivativeByNatureAxis = us-gaap_InterestRateSwapMember |  |  |  |  |
Senior Notes [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Face value of senior secured notes |  |  |  |  |  | 175,000 us-gaap_SecuredLongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember | 175,000 us-gaap_SecuredLongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Fixed interest rate |  |  |  |  | 9.50%us-gaap_DerivativeFixedInterestRate / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember |  |
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Forward Currency Contracts [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Notional amounts | 19,796 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = us-gaap_ForwardContractsMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |  | 26,266 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = us-gaap_ForwardContractsMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |  |  |  |
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | U.S. Dollar Denominated Foreign Currency Forward Contracts, Swedish Krona Functional Currency [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Notional amounts | 8,801 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = sri_U.s.DollarDenominatedForeignCurrencyForwardContractsSwedishKronaFunctionalCurrencyMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |  | 11,718 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = sri_U.s.DollarDenominatedForeignCurrencyForwardContractsSwedishKronaFunctionalCurrencyMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |  |  |  |
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | U.S. Dollar Denominated Foreign Currency Forward Contracts Euro Functional Currency [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Notional amounts | 3,205 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = sri_U.s.DollarDenominatedForeignCurrencyForwardContractsEuroFunctionalCurrencyMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |  | 4,266 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = sri_U.s.DollarDenominatedForeignCurrencyForwardContractsEuroFunctionalCurrencyMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |  |  |  |
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Mexican Peso-Denominated Foreign Currency Forward Contracts [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Notional amounts | 7,790 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = sri_MexicanPesoDenominatedForeignCurrencyForwardContractsMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |  | 10,282 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = sri_MexicanPesoDenominatedForeignCurrencyForwardContractsMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_CashFlowHedgingMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |  |  |  |
Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Notional amounts |  |  |  |  | 45,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = us-gaap_InterestRateSwapMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |  |
Not Designated as Hedging Instrument [Member] | Forward Currency Contracts [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Notional amounts | 1,631 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = us-gaap_ForwardContractsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember |  | 3,523 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = us-gaap_ForwardContractsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember |  |  |  |
Not Designated as Hedging Instrument [Member] | Euro-Denominated Foreign Currency Forward Contracts [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Notional amounts | 1,631 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = sri_EuroDenominatedForeignCurrencyForwardContractsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember |  | 3,523 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = sri_EuroDenominatedForeignCurrencyForwardContractsMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember |  |  |  |
Not Designated as Hedging Instrument [Member] | Copper Commodity [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Notional amounts |  |  | $ 317 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = sri_CopperCommodityMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember | [1] |  |  |
Fixed price commodity contracts (in pounds) |  |  | 317,000 sri_FixedPriceCommodityContracts / us-gaap_DerivativeByNatureAxis = sri_CopperCommodityMember / us-gaap_HedgingDesignationAxis = us-gaap_NondesignatedMember |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |  |  |  |
Variable interest rate in addition to LIBOR | 7.20%us-gaap_DerivativeVariableInterestRate / us-gaap_DerivativeByNatureAxis = us-gaap_InterestRateSwapMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |  |  |  |
[1] | Notional amounts represent the gross contract / notional amount of the derivatives outstanding. The fixed price commodity contract notional amounts are in pounds.

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount from cash flow hedge derivatives to be reclassified + References No definition available. + Details
Name: | sri_AmountFromCashFlowHedgeDerivativesToBeReclassified
Namespace Prefix: | sri_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Quantity of fixed price commodity contracts. + References No definition available. + Details
Name: | sri_FixedPriceCommodityContracts
Namespace Prefix: | sri_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net increase decrease in interest expense related to interest rate swap. + References No definition available. + Details
Name: | sri_IncreaseDecreaseInDerivativeInterestExpenses
Namespace Prefix: | sri_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The reference rate for the variable rate of the interest rate derivative, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
Name: | us-gaap_DerivativeDescriptionOfVariableRateBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Variable interest rate in effect as of the balance sheet date related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeVariableInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate net gain and losses (whether realized or unrealized) on all derivative instruments held for trading purposes whether or not settled physically. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41322-113958 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4F -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624186-113959 + Details
Name: | us-gaap_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets. + 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_SecuredLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeByNatureAxis=sri_EuroDenominatedForeignCurrencyForwardContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeByNatureAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |