Intangible Assets - Changes in Carrying Amount of Indefinite-Lived Trademarks (Detail) (Trademarks [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Indefinite-lived Intangible Assets [Line Items]
Trademarks, Beginning Balance	$ 103,347	$ 40,635
Reclass to definite-lived	(6,777)
Impairment	0	(5,239)	0
Acquisitions and purchase accounting adjustments	(4,918)	67,554
Translation impact	358	397
Trademarks, Ending Balance	92,010	103,347	40,635
Broadcast Solutions [Member]
Indefinite-lived Intangible Assets [Line Items]
Trademarks, Beginning Balance	80,310	12,187
Reclass to definite-lived	(5,424)
Impairment
Acquisitions and purchase accounting adjustments	(4,918)	67,554
Translation impact	159	569
Trademarks, Ending Balance	70,127	80,310
Enterprise Connectivity Solutions [Member]
Indefinite-lived Intangible Assets [Line Items]
Trademarks, Beginning Balance	1,299	1,284
Reclass to definite-lived	(1,353)
Impairment
Acquisitions and purchase accounting adjustments
Translation impact	54	15
Trademarks, Ending Balance		1,299
Industrial Connectivity Solutions [Member]
Indefinite-lived Intangible Assets [Line Items]
Trademarks, Beginning Balance	12,279	12,545
Reclass to definite-lived
Impairment
Acquisitions and purchase accounting adjustments
Translation impact	(86)	(266)
Trademarks, Ending Balance	12,193	12,279
Industrial IT Solutions [Member]
Indefinite-lived Intangible Assets [Line Items]
Trademarks, Beginning Balance	9,459	9,396
Reclass to definite-lived
Impairment
Acquisitions and purchase accounting adjustments
Translation impact	231	63
Trademarks, Ending Balance	9,690	9,459
All Other [Member]
Indefinite-lived Intangible Assets [Line Items]
Trademarks, Beginning Balance		5,223
Reclass to definite-lived
Impairment		(5,239)
Acquisitions and purchase accounting adjustments
Translation impact		16
Trademarks, Ending Balance