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CONTINGENT LIABILITIES AND OTHER MATTERS (Details 2) - South Africa ZAR in Millions, $ in Millions	3 Months Ended
	Apr. 01, 2017 USD ($)	Jul. 02, 2016 USD ($)	Apr. 01, 2017 ZAR	Jul. 06, 2016 ZAR
SPX Technologies | BEE Partner
Contingent Liabilities and Other Matters
Amount due from BEE Partner under promissory note | ZAR				ZAR 30.3
SPX Technologies | BEE Partner | Put Option
Contingent Liabilities and Other Matters
Noncontrolling interest percentage	25.10%		25.10%
Amount entitled for Put Option exercise | ZAR				ZAR 287.3
Net redemption value	$ 19.7		ZAR 257.0
Amount reclassified from non-controlling interest to paid in capital	38.7
Adjustment related to redeemable noncontrolling interest		$ 18.1
Large Power Projects
Contingent Liabilities and Other Matters
Revenue recognized	$ 27.5

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