XML 52 R38.htm IDEA: XBRL DOCUMENT
v3.20.1

REVENUES FROM CONTRACTS - Disaggregated Revenue (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 28, 2020 | Mar. 30, 2019
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 369.3 | $ 343.6
Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 214.9 | 221.6
Transferred over Time |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 154.4 | 122.0
Cooling |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 57.9 | 58.9
Boilers, comfort heating, and ventilation |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 60.6 | 69.5
Underground locators and inspection and rehabilitation equipment |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 48.7 | 47.1
Signal monitoring, obstruction lighting, and bus fare collection systems |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 43.2 | 38.0
Power transformers |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 110.6 | 98.8
Process cooling equipment and services, and heat exchangers |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 46.2 | 42.9
South African projects |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 2.1 | (11.6)
HVAC |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 118.5 | 128.4
HVAC | Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 118.5 | 128.4
HVAC | Transferred over Time |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
HVAC | Cooling |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 57.9 | 58.9
HVAC | Boilers, comfort heating, and ventilation |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 60.6 | 69.5
HVAC | Underground locators and inspection and rehabilitation equipment |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
HVAC | Signal monitoring, obstruction lighting, and bus fare collection systems |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
HVAC | Power transformers |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
HVAC | Process cooling equipment and services, and heat exchangers |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
HVAC | South African projects |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
Detection and Measurement |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 91.9 | 85.1
Detection and Measurement | Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 83.5 | 79.6
Detection and Measurement | Transferred over Time |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 8.4 | 5.5
Detection and Measurement | Cooling |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
Detection and Measurement | Boilers, comfort heating, and ventilation |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
Detection and Measurement | Underground locators and inspection and rehabilitation equipment |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 48.7 | 47.1
Detection and Measurement | Signal monitoring, obstruction lighting, and bus fare collection systems |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 43.2 | 38.0
Detection and Measurement | Power transformers |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
Detection and Measurement | Process cooling equipment and services, and heat exchangers |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
Detection and Measurement | South African projects |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
Engineered Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 154.9 | 138.0
Engineered Solutions | Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 11.6 | 12.5
Engineered Solutions | Transferred over Time |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 143.3 | 125.5
Engineered Solutions | Cooling |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
Engineered Solutions | Boilers, comfort heating, and ventilation |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
Engineered Solutions | Underground locators and inspection and rehabilitation equipment |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
Engineered Solutions | Signal monitoring, obstruction lighting, and bus fare collection systems |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
Engineered Solutions | Power transformers |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 110.6 | 98.8
Engineered Solutions | Process cooling equipment and services, and heat exchangers |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 44.3 | 39.2
Engineered Solutions | South African projects |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
All Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 4.0 | (7.9)
All Other | Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 1.3 | 1.1
All Other | Transferred over Time |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 2.7 | (9.0)
All Other | Cooling |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
All Other | Boilers, comfort heating, and ventilation |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
All Other | Underground locators and inspection and rehabilitation equipment |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
All Other | Signal monitoring, obstruction lighting, and bus fare collection systems |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
All Other | Power transformers |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 0.0 | 0.0
All Other | Process cooling equipment and services, and heat exchangers |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 1.9 | 3.7
All Other | South African projects |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 2.1 | $ (11.6)

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

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredAtPointInTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredOverTimeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=spxc_CoolingEquipmentAndServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=spxc_BoilerComfortHeatingAndVentilationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=spxc_UndergroundLocatorsAndInspectionAndRehabilitationEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=spxc_CommunicationTechnologiesandBusFareCollectionSystemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=spxc_PowerTransformersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=spxc_ProcessCoolingEquipmentAndServicesAndHeatExchangersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=spxc_SouthAfricanProjectsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=spxc_HVACReportableSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=spxc_DetectionandMeasurementReportableSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=spxc_EngineeredSolutionsReportableSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |