Property, Plant and Equipment - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Proceeds from sale of PP&E, including real estate	$ 3,169,000	$ 9,575,000	$ 1,213,000
Impairment loss recognized	0	29,800,000
Depreciation expense	43,600,000	35,100,000	35,000,000
Property, plant and equipment [Member]
Property, Plant and Equipment [Line Items]
Impairment loss recognized		10,600,000
Customer relationships [Member]
Property, Plant and Equipment [Line Items]
Impairment loss recognized		6,800,000
Trademarks [Member]
Property, Plant and Equipment [Line Items]
Impairment loss recognized		5,200,000
Real Estate [Member]
Property, Plant and Equipment [Line Items]
Impairment losses		1,500,000
Manufacturing Equipment [Member]
Property, Plant and Equipment [Line Items]
Impairment losses		1,400,000
Other Property, Plant and Equipment [Member]
Property, Plant and Equipment [Line Items]
Impairment losses		1,000,000
Corporate assets [Member]
Property, Plant and Equipment [Line Items]
Other asset impairment			2,500,000
Multiple segments [Member]
Property, Plant and Equipment [Line Items]
Proceeds from sale of PP&E, including real estate			1,100,000
Gain (loss) recognized on the sale			0
Broadcast Solutions [Member]
Property, Plant and Equipment [Line Items]
Proceeds from sale of PP&E, including real estate	1,000,000
Gain (loss) recognized on the sale	(300,000)
Enterprise Connectivity Solutions [Member]
Property, Plant and Equipment [Line Items]
Proceeds from sale of PP&E, including real estate	2,100,000	800,000
Gain (loss) recognized on the sale	0	0
Impairment losses		1,500,000
All Other [Member]
Property, Plant and Equipment [Line Items]
Proceeds from sale of PP&E, including real estate		40,000,000
Gain (loss) on the sale of assets	1,300,000	(29,800,000)
Industrial Connectivity Solutions [Member]
Property, Plant and Equipment [Line Items]
Proceeds from sale of PP&E, including real estate		8,600,000
Gain (loss) recognized on the sale		0
Impairment losses		$ 2,400,000