Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Consolidated Statements of Comprehensive Income
Net income	$ 212.6	$ 183.2	$ 176.2
Other comprehensive income (loss), net:
Pension liability adjustment, net of tax benefit of $1.0, $0.8 and $1.1 in 2013, 2012 and 2011, respectively	(2.2)	(1.0)	(2.1)
Net unrealized gains (losses) on qualifying cash flow hedges, net of tax (provision) benefit of $(1.2), $(0.4) and $0.7 in 2013, 2012 and 2011, respectively	2.5	1.1	(1.1)
Net unrealized losses on available-for-sale securities	(0.6)	(1.6)	(7.6)
Foreign currency translation adjustments	2.4	97.1	(23.1)
Other comprehensive income (loss), net	2.1	95.6	(33.9)
Total comprehensive income	214.7	278.8	142.3
Less: Total comprehensive income attributable to noncontrolling interests	1.8	3.4	4.9
Total comprehensive income attributable to SPX Corporation common shareholders	$ 212.9	$ 275.4	$ 137.4