Long-Lived Assets - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Property, Plant and Equipment [Line Items]
Proceeds from sale of PP&E, including real estate			$ 3,155,000	$ 1,236,000
Impairment loss recognized		26,000,000
Depreciation expense	11,700,000	8,800,000	33,500,000	26,100,000
Accelerated depreciation	2,200,000		4,900,000
Amortization of intangibles	12,326,000	7,646,000	38,408,000	13,145,000
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		1,500,000
Manufacturing Equipment [Member]
Property, Plant and Equipment [Line Items]
Impairment losses		1,400,000		1,400,000
Other Property, Plant and Equipment [Member]
Property, Plant and Equipment [Line Items]
Impairment losses		1,100,000		1,100,000
Consumer Electronics [Member]
Property, Plant and Equipment [Line Items]
Gain or loss on the sale of the consumer electronic assets			1,300,000
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		1,500,000
Industrial Connectivity Solutions [Member]
Property, Plant and Equipment [Line Items]
Impairment losses		$ 2,500,000		$ 2,500,000