Property and Equipment Schedule of Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,312,605	$ 1,180,206
Less accumulated depreciation and leasehold amortization	742,897	691,210
Total property and equipment, net	569,708	488,996
Computer and communications equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	817,186	741,547
Land, buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	281,798	207,069
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	146,004	163,794
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	63,848	61,499
Capital lease equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,194	5,914
Other equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 575	$ 383

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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