Acquisitions, Goodwill and Intangible Assets - Purchase Price Allocation to Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011	Oct. 15, 2012 BrightPoint [Member]
Schedule Of Business Acquisitions Purchase Price Allocation [Line Items]
Tangible assets (includes trade accounts receivable, inventory, property and equipment and other assets)				$ 1,158,450
Goodwill	527,526	428,401		412,085
Identifiable intangible assets				309,000
Liabilities (includes accounts payable, accrued expenses and other liabilities)				(1,011,343)
Fair value of assets acquired and liabilities assumed				$ 868,192