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Accounting Policies (Details Textual) (USD $) In Millions, unless otherwise specified	Jul. 27, 2012	Jun. 30, 2012 State
Accounting Policies (Textual) [Abstract]
Cash restricted for outstanding bankruptcy claims	$ 2.8
Accounting Policies (Additional Textual) [Abstract]
Number of operating states		18
Restricted Cash [Member]
Accounting Policies (Textual) [Abstract]
Restricted cash		14.5
Cash restricted for outstanding bankruptcy claims		2.8
Cash restricted for other purpose		0.7
Vermont [Member] \| Restricted Cash [Member]
Accounting Policies (Textual) [Abstract]
Cash restricted for broadband build out		6.6
Cash restricted for removal of dual poles		1.1
New Hampshire [Member] \| Restricted Cash [Member]
Accounting Policies (Textual) [Abstract]
Cash restricted for broadband build out		3.3

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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