Accounting Policies (Details Textual) (USD $) In Millions, unless otherwise specified	Oct. 29, 2012	Sep. 30, 2012 States	Sep. 30, 2011	Jun. 30, 2011
Accounting Policies (Textual) [Abstract]
Cash restricted for outstanding bankruptcy claims	$ 2.6
Fresh-Start Adjustment, Increase (Decrease), Goodwill				243.2
Fresh-Start Adjustment, Increase (Decrease), Property and Equipment, Net				12.8
Goodwill			0	256.0
Accounting Policies (Additional Textual) [Abstract]
Number of operating states		18
Restricted Cash [Member]
Accounting Policies (Textual) [Abstract]
Restricted cash		11.4
Cash restricted for outstanding bankruptcy claims		2.6
Cash restricted for other purpose		0.7
Vermont [Member]
Accounting Policies (Textual) [Abstract]
Cash restricted for broadband build out		4.4
Cash restricted for removal of dual poles		0.4
New Hampshire [Member]
Accounting Policies (Textual) [Abstract]
Cash restricted for broadband build out		3.3