Employee Benefit Plans (Textuals) (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	11 Months Ended	12 Months Ended
	Jan. 24, 2011	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012
401(k) Savings Plan [Abstract]
Employer matching contribution percent			100.00%
Maximum employee annual contribution percent eligible for matching			5.00%
Company contribution amounts	$ 0.7	$ 9.8	$ 9.9	$ 9.8
Pension Plans, Defined Contribution, Telecom Group and Northern New England Non-represented Employees [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Number of Plans			4
Pension Plans, Defined Contribution, Northern New England Represented Employees [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Number of Plans			1
Equity securities | Pension Plans, Defined Benefit, Represented Employees [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations			70.00%
Equity securities | Pension Plans, Defined Benefit, Non-represented Employees [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations			20.00%
Fixed income securities | Pension Plans, Defined Benefit, Represented Employees [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations			30.00%
Fixed income securities | Pension Plans, Defined Benefit, Non-represented Employees [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations			80.00%