Condensed Consolidated Balance Sheet (Unaudited) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Current Assets [Abstract]
Cash and cash equivalents	$ 510.4	$ 520.7
Short-term investments	6.8	8.8
Accounts receivable, net	408.1	341.8
Inventories, net	324.2	298.4
Deferred Taxes and Other	58.4	56.4
Total current assets	1,307.9	1,226.1
Property, Plant, and Equipment, net	365.0	358.3
Other Assets [Abstract]
Investments	34.7	30.2
Goodwill	727.6	724.0
Intangible assets, net	266.5	273.5
Other long-term assets	73.7	93.7
Total Assets	2,775.4	2,705.8
Current Liabilities [Abstract]
Short-term debt	2.2	1.8
Accounts payable	225.7	160.8
Accrued salaries, wages and employee benefits	49.2	70.4
Accrued insurance	53.8	48.5
Dividends payable	22.8	21.9
Other accrued liabilities	130.1	141.6
Total current liabilities	483.8	445.0
Long-Term Debt	596.1	595.9
Other Non-Current Liabilities	201.2	201.4
Total Liabilities	1,281.1	1,242.3
Hubbell Shareholders' Equity	1,489.8	1,459.2
Noncontrolling interest	4.5	4.3
Total Equity	1,494.3	1,463.5
Total Liabilities and Equity	$ 2,775.4	$ 2,705.8