CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 30, 2013	Dec. 31, 2012
Current assets:
Cash and equivalents	$ 755.1	$ 984.1
Accounts receivable, net	1,284.0	1,333.0
Inventories, net	585.8	555.6
Other current assets	162.8	149.9
Deferred income taxes	86.4	92.4
Total current assets	2,874.1	3,115.0
Property, plant and equipment:
Land	46.2	45.4
Buildings and leasehold improvements	389.5	404.9
Machinery and equipment	801.0	806.9
Property, plant and equipment, gross	1,236.7	1,257.2
Accumulated depreciation	(509.9)	(512.2)
Property, plant and equipment, net	726.8	745.0
Goodwill	1,544.4	1,574.0
Intangibles, net	917.8	962.4
Other assets	741.8	733.7
TOTAL ASSETS	6,804.9	7,130.1
Current liabilities:
Accounts payable	562.3	571.4
Accrued expenses	949.5	996.6
Income taxes payable	9.8	126.5
Short-term debt	30.7	33.4
Current maturities of long-term debt	8.5	8.7
Total current liabilities	1,560.8	1,736.6
Long-term debt	1,651.5	1,649.9
Deferred and other income taxes	327.2	251.1
Other long-term liabilities	1,190.7	1,212.5
Total long-term liabilities	3,169.4	3,113.5
Commitments and contingent liabilities (Note 13)
SPX Corporation shareholders' equity:
Common stock (99,635,310 and 46,776,528 issued and outstanding at March 30, 2013, respectively, and 99,453,784 and 48,303,707 issued and outstanding at December 31, 2012, respectively)	1,002.4	998.9
Paid-in capital	1,555.5	1,553.7
Retained earnings	2,687.5	2,696.6
Accumulated other comprehensive loss	(304.1)	(228.9)
Common stock in treasury (52,858,782 and 51,150,077 shares at March 30, 2013 and December 31, 2012, respectively)	(2,878.4)	(2,751.6)
Total SPX Corporation shareholders' equity	2,062.9	2,268.7
Noncontrolling interests	11.8	11.3
Total equity	2,074.7	2,280.0
TOTAL LIABILITIES AND EQUITY	$ 6,804.9	$ 7,130.1