Consolidated Balance Sheet Parenthetical (Unaudited) (USD $) In Thousands, except Per Share data	Jun. 30, 2011	Dec. 31, 2010
Current assets
Due from customers and agents, less allowances of $24,465 and $28,859, respectively	$ 24,465	$ 28,859
Other, less allowances of $5,543 and $6,148, respectively	5,543	6,148
Investments
Other intangible assets, net of accumulated amortization of $124,025 and $119,555, respectively	124,025	119,555
TDS shareholders' equity
Shares authorized	290,000	290,000
Shares issued	127,061	127,045
Shares outstanding	103,323	103,936
Par value	1,270	1,270
Treasury Shares	23,738	23,109
Series A Common Shares
TDS shareholders' equity
Shares authorized	25,000	25,000
Shares issued	6,526	6,510
Shares outstanding	6,526	6,510
Par value per share	$ 0.01	$ 0.01
Par value	65	65
Special Common Shares
TDS shareholders' equity
Shares authorized	165,000	165,000
Shares issued	63,442	63,442
Shares outstanding	46,859	47,531
Par value per share	$ 0.01	$ 0.01
Par value	634	634
Treasury Shares	16,583	15,911
Common Shares
TDS shareholders' equity
Shares authorized	100,000	100,000
Shares issued	57,093	57,093
Shares outstanding	49,938	49,895
Par value per share	$ 0.01	$ 0.01
Par value	$ 571	$ 571
Treasury Shares	7,155	7,198

A valuation allowance for trade and other receivables due to an Entity from non end user customers within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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