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v2.4.1.9

Commitments and Contingencies (Details) (USD $) | 3 Months Ended | 163 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015 Claim
Changes in product warranties [Roll forward] |  |  |
Balance, beginning of period | $ 19,328,000 us-gaap_ProductWarrantyAccrual | $ 18,041,000 us-gaap_ProductWarrantyAccrual |
Liabilities accrued for current year sales | 21,036,000 us-gaap_ProductWarrantyAccrualWarrantiesIssued | 19,191,000 us-gaap_ProductWarrantyAccrualWarrantiesIssued |
Settlements of warranty claims | (20,379,000)us-gaap_ProductWarrantyAccrualPayments | (16,858,000)us-gaap_ProductWarrantyAccrualPayments |
Balance, end of period | 19,985,000 us-gaap_ProductWarrantyAccrual | 20,374,000 us-gaap_ProductWarrantyAccrual | 19,985,000 us-gaap_ProductWarrantyAccrual
Asbestos [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Pending claims, approximate number | 2,150 us-gaap_LossContingencyPendingClaimsNumber / us-gaap_LitigationCaseAxis = smp_AsbestosMember |  | 2,150 us-gaap_LossContingencyPendingClaimsNumber / us-gaap_LitigationCaseAxis = smp_AsbestosMember
Reimbursement from insurance carrier for settled claims |  |  | 17,700,000 us-gaap_PaymentsForLegalSettlements / us-gaap_LitigationCaseAxis = smp_AsbestosMember
Increase for low end of range | 11,700,000 smp_LossContingencyRangeOfPossibleLossIncreaseDecreaseForMinimum / us-gaap_LitigationCaseAxis = smp_AsbestosMember |  |
Increase for high end of range | 18,000,000 smp_LossContingencyRangeOfPossibleLossIncreaseDecreaseForMaximum / us-gaap_LitigationCaseAxis = smp_AsbestosMember |  |
Incremental pre-tax provision | 12,800,000 us-gaap_LossContingencyAccrualProvision / us-gaap_LitigationCaseAxis = smp_AsbestosMember |  |
Range of possible loss, minimum | 43,000,000 us-gaap_LossContingencyRangeOfPossibleLossMinimum / us-gaap_LitigationCaseAxis = smp_AsbestosMember |  | 43,000,000 us-gaap_LossContingencyRangeOfPossibleLossMinimum / us-gaap_LitigationCaseAxis = smp_AsbestosMember
Range of possible loss, maximum | 76,400,000 us-gaap_LossContingencyRangeOfPossibleLossMaximum / us-gaap_LitigationCaseAxis = smp_AsbestosMember |  | 76,400,000 us-gaap_LossContingencyRangeOfPossibleLossMaximum / us-gaap_LitigationCaseAxis = smp_AsbestosMember
Asbestos [Member] | Minimum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Estimated legal costs | 36,100,000 us-gaap_LossContingencyEstimateOfPossibleLoss / us-gaap_LitigationCaseAxis = smp_AsbestosMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  | 36,100,000 us-gaap_LossContingencyEstimateOfPossibleLoss / us-gaap_LitigationCaseAxis = smp_AsbestosMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Asbestos [Member] | Maximum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Estimated legal costs | $ 55,400,000 us-gaap_LossContingencyEstimateOfPossibleLoss / us-gaap_LitigationCaseAxis = smp_AsbestosMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  | $ 55,400,000 us-gaap_LossContingencyEstimateOfPossibleLoss / us-gaap_LitigationCaseAxis = smp_AsbestosMember / us-gaap_RangeAxis = us-gaap_MaximumMember

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- Definition The estimated increase (or decrease) for the maximum amount of possible loss from the contingency during the period. + References No definition available. + Details
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- Definition The estimated increase (or decrease) for the minimum amount of possible loss from the contingency during the period. + References No definition available. + Details
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- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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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) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -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 Number of pending claims pertaining to a loss contingency. + 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 (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 + Details
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- Definition The estimated maximum amount of possible loss from the contingency. + 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) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -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 The estimated minimum amount of possible loss from the contingency. + 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) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -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 The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable 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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(5)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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