Represents the aggregate principal amount of senior notes to be purchased by the entity.

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Represents the total amount of consideration for the purchase of senior notes tendered.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity, net of taxes.

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The amount per share difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity, net of taxes.

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Represents the issue price of the senior unsecured note expressed as a percentage of principal amount of the instrument.

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- Definition

Current assets (normally turning over within one year or one business cycle if longer) that are held for sale apart from normal operations and anticipated to be sold within one year.

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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Interest rate stated in the contractual debt agreement.

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Fair value amount of debt instrument that was repurchased.

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The gains (losses) included in results of operations resulting from the sale or disposal of other assets.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Liability (such as a mortgage) related to a disposal group that is held for sale and anticipated to be sold in less than one year. The liability is expected to be discharged as part of the plan of sale for the asset.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Date the credit facility terminates, in CCYY-MM-DD format.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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No definition available.

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The lower of the carrying value or fair value less cost to sell of assets held-for-sale, other than loans receivable.

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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Subsequent Events (Details) (USD $) In Millions, except Per Share data, unless otherwise specified		1 Months Ended		1 Months Ended		0 Months Ended		0 Months Ended	1 Months Ended
	Mar. 31, 2013	Apr. 30, 2013 Subsequent Event [Member] Mohave Cellular Limited Partnership [Member]	Mar. 31, 2013 Subsequent Event [Member] Mohave Cellular Limited Partnership [Member]	May 03, 2013 Subsequent Event [Member] Revolving Credit Facility [Member] Refinancing of Debt [Member]	Apr. 30, 2013 Subsequent Event [Member] Senior Note Due 4/15/2017 [Member]	Apr. 02, 2013 Subsequent Event [Member] Senior Note Due 4/15/2017 [Member] Repurchase of Debt [Member]	Apr. 24, 2013 Subsequent Event [Member] Senior Note Due 4/15/2017 [Member] Repurchase of Debt [Member]	Apr. 10, 2013 Subsequent Event [Member] Senior Note Due 2024 [Member] Issuance of Debt [Member]	Apr. 24, 2013 Subsequent Event [Member] Senior Note [Member] Repurchase of Debt [Member]	Apr. 10, 2013 Subsequent Event [Member] Senior Note [Member] Repurchase of Debt [Member]	Apr. 30, 2013 Subsequent Event [Member] Senior Note Due 3/15/2015 [Member]	Apr. 24, 2013 Subsequent Event [Member] Senior Note Due 3/15/2015 [Member] Repurchase of Debt [Member]	Apr. 10, 2013 Subsequent Event [Member] Senior Note Due 3/15/2015 [Member] Repurchase of Debt [Member]	Apr. 30, 2013 Subsequent Event [Member] Senior Note Due 4/15/2015 [Member]	Apr. 24, 2013 Subsequent Event [Member] Senior Note Due 4/15/2015 [Member] Repurchase of Debt [Member]	Apr. 10, 2013 Subsequent Event [Member] Senior Note Due 4/15/2015 [Member] Repurchase of Debt [Member]
Subsequent Event [Line Items]
Repurchase of senior notes						$ 208.8
Amount of consideration for purchase of notes						250.6	267.7			532.4		0.8	216.0		0.9	316.4
Loss on early extinguishment of debt						(41.1)			102.7
Loss on early extinguishment of debt, net of tax						(25.4)			(63.6)
Loss on early extinguishment of debt, net of tax (in dollars per share)						$ (0.03)			$ (0.06)
Debt Instrument, Face Amount								750.0
Interest rate (in hundredths)							8.25%	7.625%					6.625%			7.875%
Issue price expressed as a percentage of principal amount (in hundredths)								100.00%
Proceeds from debt, net of issuance costs								736.9
Aggregate principal amount agreed to be purchased							225.0			471.3		0.7	194.2		0.8	277.1
Long-term debt outstanding					606.9						105.0			96.9
Revolving credit facility borrowing capacity				750.0
Line of credit facility expiration date				Nov. 03, 2016
Ownership percentage of subsidiary sold (in hundredths)	33.333%		33.333%
Gain on sale of subsidiary		15.3
Net assets sold			12.1
Other Assets Held-for-sale			14.3
Liabilities of assets held for sale			$ 2.2