Consolidated Statements of Operations (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Consolidated Statements of Operations
Revenues	$ 4,717.2	$ 4,831.0	$ 4,272.9
Costs and expenses:
Cost of products sold	3,359.6	3,517.4	3,066.4
Selling, general and administrative	956.0	1,112.6	897.4
Intangible amortization	33.0	34.1	22.8
Impairment of goodwill and other long-term assets	6.7	285.9	28.3
Special charges, net	32.3	23.4	21.0
Operating income (loss)	329.6	(142.4)	237.0
Other income (expense), net	(11.3)	14.0	(53.6)
Interest expense	(112.6)	(114.4)	(97.0)
Interest income	8.2	6.3	5.6
Equity earnings in joint ventures	42.2	38.6	28.4
Income (loss) from continuing operations before income taxes	256.1	(197.9)	120.4
Income tax (provision) benefit	(54.8)	21.3	12.3
Income (loss) from continuing operations	201.3	(176.6)	132.7
Income from discontinued operations, net of tax	15.3	46.4	43.2
Gain (loss) on disposition of discontinued operations, net of tax	(4.0)	313.4	0.3
Income from discontinued operations, net of tax	11.3	359.8	43.5
Net income	212.6	183.2	176.2
Less: Net income attributable to noncontrolling interests	2.4	2.8	5.0
Net income attributable to SPX Corporation common shareholders	210.2	180.4	171.2
Amounts attributable to SPX Corporation common shareholders:
Income (loss) from continuing operations, net of tax	199.1	(179.6)	127.7
Income from discontinued operations, net of tax	11.1	360.0	43.5
Net income	$ 210.2	$ 180.4	$ 171.2
Basic income (loss) per share of common stock:
Income (loss) from continuing operations attributable to SPX Corporation common shareholders (in dollars per share)	$ 4.39	$ (3.59)	$ 2.53
Income from discontinued operations attributable to SPX Corporation common shareholders (in dollars per share)	$ 0.24	$ 7.20	$ 0.86
Net income per share attributable to SPX Corporation common shareholders (in dollars per share)	$ 4.63	$ 3.61	$ 3.39
Weighted-average number of common shares outstanding - basic (in shares)	45,384	50,031	50,499
Diluted income (loss) per share of common stock:
Income (loss) from continuing operations attributable to SPX Corporation common shareholders (in dollars per share)	$ 4.33	$ (3.59)	$ 2.51
Income from discontinued operations attributable to SPX Corporation common shareholders (in dollars per share)	$ 0.24	$ 7.20	$ 0.85
Net income per share attributable to SPX Corporation common shareholders (in dollars per share)	$ 4.57	$ 3.61	$ 3.36
Weighted-average number of common shares outstanding - diluted (in shares)	46,006	50,031	50,946