Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Taxes [Line Items]
Income tax expense for discontinued operations	$ 1,400,000	$ 78,700,000	$ 7,600,000
Income tax expense tax holiday	2,500,000
Income tax holiday expire	2022
Income from continuing operations before taxes	127,049,000	5,042,000	118,099,000
Income tax expense (benefit)	22,315,000	(38,194,000)	16,791,000
Tax benefit	16,858,000	4,557,000	15,134,000
Income tax benefit due to reduction in valuation allowances		9,500,000
Net operating loss carryforwards	220,586,000
Net tax credit carryforwards	53,000,000
Operating loss carryforwards that will be used in expiration periods	145,900,000
Net tax credit carryforwards that will expire	50,500,000
Net tax credit carry forwards with indefinite carry forward period	2,500,000
Provision for U.S or additional foreign withholding taxes	478,300,000
Net change in reserve for uncertain tax positions	1,300,000
Balance at end of the year of unrecognized tax benefits	18,639,000	17,377,000	23,199,000
Estimate the range of reasonably possible changes to unrecognized tax positions	7,200,000
Recognized interest expense (income) and penalties of unrecognized tax benefits	1,700,000	100,000	1,000,000
Accrued interest expense (income) and penalties of unrecognized tax benefits	2,800,000	1,400,000
2018 and 2022 [Member]
Income Taxes [Line Items]
Net tax credit carryforwards that will expire	31,000,000
Expiration period of net tax credit carryforwards	2018 and 2022
2026 and 2033 [Member]
Income Taxes [Line Items]
Net tax credit carryforwards that will expire	19,500,000
Expiration period of net tax credit carryforwards	2026 and 2033
Net Operating Loss Carry Forwards Expires In 2014 [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	28,400,000
Net Operating Loss Carry Forwards Expires In 2015 [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	44,400,000
Net Operating Loss Carry Forwards Expires Between 2016 and 2018 [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	35,900,000
Net Operating Loss Carry Forwards Expires Between 2019 and 2033 [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	68,300,000
Net Operating Loss Carry Forward Indefinite Period [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	43,600,000
Cooper Industries [Member]
Income Taxes [Line Items]
Retained income tax expense (benefit) of assets		10.00%
Final settlement amount	30,000,000
Tax benefit		$ 21,000,000