INDEBTEDNESS (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 26, 2015	Dec. 31, 2014
Debt
Balance at the beginning of the period	$ 1,369.7
Borrowings	1,399.1
Repayments	(1,267.3)
Spin-Off	(1,077.8)
Other	(1.7)
Balance at the end of the period	422.0
Less: short-term debt	70.2	$ 156.5
Less: current maturities of long-term debt	4.8	29.1
Total long-term debt - continuing operations	347.0	547.5
SPX Flow, Inc | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Liabilities of Discontinued Operations - Current
Debt
Balance at the beginning of the period	36.6
Discontinued operations
Debt
Balance at the beginning of the period	636.6
Balance at the end of the period	0.0
Continuing operations
Debt
Balance at the beginning of the period	733.1
Balance at the end of the period	422.0
Less: short-term debt	70.2	156.5
Less: current maturities of long-term debt	4.8	29.1
Total long-term debt - continuing operations	347.0	$ 547.5
6.875% senior notes, due in August 2017
Debt
Balance at the beginning of the period	600.0
Spin-Off	(600.0)
Balance at the end of the period	$ 0.0
Interest rate percentage	6.875%	6.875%
6.875% senior notes, due in August 2017 | Senior notes
Debt
Interest rate percentage		6.875%
6.875% senior notes, due in August 2017 | Senior notes | Liabilities of Discontinued Operations - Non current
Debt
Balance of 6.875% senior notes		$ 600.0
Trade receivables financing arrangement
Debt
Balance at the beginning of the period	$ 10.0
Borrowings	154.0
Repayments	(122.0)
Balance at the end of the period	42.0
Maximum borrowing capacity	50.0
Amount of available borrowing capacity	3.3
Other indebtedness
Debt
Balance at the beginning of the period	51.7
Borrowings	10.1
Repayments	(7.3)
Spin-Off	(22.8)
Other	(1.7)
Balance at the end of the period	30.0
Purchase card programs	19.5	32.1
Capital lease obligations	$ 1.8	$ 13.6
Term loan
Debt
Initial principal amount of the term loan to be repaid annually in quarterly installments (as a percent)	5.00%
Revolving loans: | Prior SPX Facilities
Debt
Repayments	$ (224.0)
Revolving loans: | Prior SPX Revolving Loan Facilities
Debt
Balance at the beginning of the period	133.0
Borrowings	430.0
Repayments	(563.0)
Balance at the end of the period	0.0
Revolving loans: | Current Revolving SPX Facilities
Debt
Balance at the beginning of the period	0.0
Balance at the end of the period	0.0
Revolving loans: | Current SPX Flow Revolving Facilities | SPX Flow, Inc | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff
Debt
Balance at the beginning of the period	0.0
Borrowings	55.0
Spin-Off	(55.0)
Balance at the end of the period	0.0
Term loans: | Prior SPX Facilities
Debt
Repayments	(560.6)
Term loans: | Prior SPX Term Loan Facilities
Debt
Balance at the beginning of the period	575.0
Repayments	(575.0)
Balance at the end of the period	0.0
Term loans: | Current SPX Term Loan Facilities
Debt
Balance at the beginning of the period	0.0
Borrowings	350.0
Balance at the end of the period	350.0
Term loans: | Current SPX Flow Term Loan Facilities | SPX Flow, Inc | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff
Debt
Balance at the beginning of the period	0.0
Borrowings	400.0
Spin-Off	(400.0)
Balance at the end of the period	$ 0.0