Acquisitions, Goodwill and Intangible Assets - Components of Intangible Assets Acquired (Detail) (BrightPoint [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended
	Oct. 15, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value, intangible assets	$ 309,000
Logistics customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value, intangible assets	237,000
Intangible assets acquired, estimated useful life	10 years
Distribution customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value, intangible assets	59,000
Intangible assets acquired, estimated useful life	7 years
Trade name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair value, intangible assets	$ 13,000
Intangible assets acquired, estimated useful life	3 years