Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and equivalents	$ 551.0	$ 455.4
Accounts receivable, net	1,416.3	1,164.8
Inventories	719.6	564.3
Other current assets	140.5	176.1
Deferred income taxes	67.9	67.9
Total current assets	2,895.3	2,428.5
Property, plant and equipment:
Land	51.8	40.8
Buildings and leasehold improvements	339.8	264.1
Machinery and equipment	883.2	767.1
Property, plant and equipment, gross	1,274.8	1,072.0
Accumulated depreciation	(576.1)	(526.8)
Property, plant and equipment, net	698.7	545.2
Goodwill	1,941.8	1,634.6
Intangibles, net	1,088.2	719.5
Other assets	767.8	665.5
TOTAL ASSETS	7,391.8	5,993.3
Current liabilities:
Accounts payable	752.7	538.8
Accrued expenses	1,091.4	1,080.1
Income taxes payable	28.2	16.3
Short-term debt	71.3	36.3
Current maturities of long-term debt	4.2	50.8
Total current liabilities	1,947.8	1,722.3
Long-term debt	1,925.6	1,110.5
Deferred and other income taxes	137.7	86.9
Other long-term liabilities	1,143.4	969.6
Total long-term liabilities	3,206.7	2,167.0
Commitments and contingent liabilities (Note 14)
SPX Corporation shareholders' equity
Common stock (98,702,606 and 51,073,419 issued and outstanding at December 31, 2011, respectively, and 98,068,416 and 50,294,261 issued and outstanding at December 31, 2010, respectively)	993.6	986.7
Paid-in capital	1,502.2	1,461.1
Retained earnings	2,488.3	2,358.6
Accumulated other comprehensive loss	(246.5)	(192.6)
Common stock in treasury (47,629,187 and 47,774,155 shares at December 31, 2011 and 2010, respectively)	(2,510.3)	(2,516.1)
Total SPX Corporation shareholders' equity	2,227.3	2,097.7
Noncontrolling interests	10.0	6.3
Total equity	2,237.3	2,104.0
TOTAL LIABILITIES AND EQUITY	$ 7,391.8	$ 5,993.3