Severance, Restructuring and Acquisition Integration Activities - Severance, Restructuring and Integration Costs by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Total Costs	$ 38,208	$ 5,000	$ 39,651	$ 5,800
Broadcast Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	27,524		28,967
Enterprise Connectivity Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	1,821		1,821
Industrial Connectivity Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	8,144		8,144
Industrial IT Segment [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	719		719
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	27,108		28,391
Employee Severance [Member] | Broadcast Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	16,819		18,102
Employee Severance [Member] | Enterprise Connectivity Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	1,592		1,592
Employee Severance [Member] | Industrial Connectivity Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	8,111		8,111
Employee Severance [Member] | Industrial IT Segment [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	586		586
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	11,100		11,260
Other Restructuring [Member] | Broadcast Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	10,705		10,865
Other Restructuring [Member] | Enterprise Connectivity Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	229		229
Other Restructuring [Member] | Industrial Connectivity Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	33		33
Other Restructuring [Member] | Industrial IT Segment [Member]
Restructuring Cost and Reserve [Line Items]
Total Costs	$ 133		$ 133