Indebtedness - Senior Credit Facilities (Details)			12 Months Ended
	May 24, 2021 USD ($)	Dec. 17, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Line of Credit Facility [Line Items]
Interest expense			$ 13,300,000	$ 18,400,000	$ 21,000,000.0
Foreign credit instrument facility
Line of Credit Facility [Line Items]
Line of credit			24,700,000
Senior Credit Facilities | Senior credit facility
Line of Credit Facility [Line Items]
Consolidated leverage ratio		3.75
Consolidated leverage ratio after certain permitted acquisitions		4.25
Consolidated interest coverage ratio		3.00
Current SPX Term Loan Facilities | Term loans
Line of Credit Facility [Line Items]
Line of credit			243,700,000
Revolving loans
Line of Credit Facility [Line Items]
Interest expense			$ 200,000
Revolving loans | Domestic Revolving Commitment Fee
Line of Credit Facility [Line Items]
Maximum borrowing capacity under financing arrangement		$ 300,000,000.0
Revolving loans | Foreign credit instrument facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity under financing arrangement		150,000,000.0
Revolving loans | Senior Credit Facilities | Senior credit facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity under financing arrangement		800,000,000.0
Reduction in line of credit facility	$ 20,000,000.0
Revolving loans | Participation Foreign Credit Instrument Facility | Letters of credit and guarantees
Line of Credit Facility [Line Items]
Maximum borrowing capacity under financing arrangement		35,000,000.0
Revolving loans | Bilateral foreign credit instrument facility | Letters of credit and guarantees
Line of Credit Facility [Line Items]
Maximum borrowing capacity under financing arrangement		$ 20,000,000.0
Reduction in line of credit facility	$ 25,000,000.0