Supplemental Guarantor Information: Condensed Consolidating Statement of Comprehensive Income (Unaudited) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues and sales:
Service revenues	$ 1,381.8	$ 1,419.7
Product sales	36.8	45.2
Total revenues and sales	1,418.6	1,464.9
Costs and expenses:
Cost of services	680.0	657.9	2,773.3	2,541.2	2,735.7
Cost of products sold	31.9	41.1
Selling, general and administrative	225.0	238.9	929.8	874.3	923.8
Depreciation and amortization	340.7	338.9
Merger and integration costs	14.1	7.9
Restructuring charges	7.0	12.4
Total costs and expenses	1,298.7	1,297.1
Operating (loss) income	119.9	167.8
Other (expense) income, net	(1.2)	0.9
Interest (expense) income	(141.1)	(141.9)
(Loss) income before income taxes	(22.4)	26.8
Income tax (benefit) expense	(27.7)	10.8
Net income (loss)	5.3	16.0
Comprehensive (loss) income	1.2	6.8
Consolidated
Revenues and sales:
Service revenues	1,381.8	1,419.7
Product sales	36.8	45.2
Total revenues and sales	1,418.6	1,464.9
Costs and expenses:
Cost of services	680.0	657.9
Cost of products sold	31.9	41.1
Selling, general and administrative	224.4	238.4
Depreciation and amortization	340.7	338.9
Merger and integration costs	14.1	7.4
Restructuring charges	7.0	12.9
Total costs and expenses	1,298.1	1,296.6
Operating (loss) income	120.5	168.3
Earnings (losses) from consolidated subsidiaries	0	0
Other (expense) income, net	(1.2)	0.9
Intercompany interest income (expense)	0	0
Interest (expense) income	(141.1)	(141.9)
(Loss) income before income taxes	(21.8)	27.3
Income tax (benefit) expense	(27.4)	11.0
Net income (loss)	5.6	16.3
Comprehensive (loss) income	1.5	7.1
Consolidated | PAETEC Holding Corp.
Revenues and sales:
Service revenues	1,381.8	1,419.7
Product sales	36.8	45.2
Total revenues and sales	1,418.6	1,464.9
Costs and expenses:
Cost of services	680.0	657.9
Cost of products sold	31.9	41.1
Selling, general and administrative	224.4	238.4
Depreciation and amortization	340.7	338.9
Merger and integration costs	14.1	7.4
Restructuring charges	7.0	12.9
Total costs and expenses	1,298.1	1,296.6
Operating (loss) income	120.5	168.3
Earnings (losses) from consolidated subsidiaries	0	0
Other (expense) income, net	(1.2)	0.9
Intercompany interest income (expense)	0	0
Interest (expense) income	(141.1)	(141.9)
(Loss) income before income taxes	(21.8)	27.3
Income tax (benefit) expense	(27.4)	11.0
Net income (loss)	5.6	16.3
Comprehensive (loss) income	1.5	7.1
Windstream Services, LLC
Revenues and sales:
Service revenues	0	0
Product sales	0	0
Total revenues and sales	0	0
Costs and expenses:
Cost of services	0	0
Cost of products sold	0	0
Selling, general and administrative	0	0
Depreciation and amortization	4.9	5.6
Merger and integration costs	0	0
Restructuring charges	0	0
Total costs and expenses	4.9	5.6
Operating (loss) income	(4.9)	(5.6)
Earnings (losses) from consolidated subsidiaries	46.5	80.1
Other (expense) income, net	(1.4)	0.5
Intercompany interest income (expense)	32.4	31.6
Interest (expense) income	(128.9)	(130.7)
(Loss) income before income taxes	(56.3)	(24.1)
Income tax (benefit) expense	(61.9)	(40.4)
Net income (loss)	5.6	16.3
Comprehensive (loss) income	1.5	7.1
Windstream Services, LLC | PAETEC Holding Corp.
Revenues and sales:
Service revenues	0	0
Product sales	0	0
Total revenues and sales	0	0
Costs and expenses:
Cost of services	0	0
Cost of products sold	0	0
Selling, general and administrative	0	0
Depreciation and amortization	4.9	5.6
Merger and integration costs	0	0
Restructuring charges	0	0
Total costs and expenses	4.9	5.6
Operating (loss) income	(4.9)	(5.6)
Earnings (losses) from consolidated subsidiaries	46.5	80.1
Other (expense) income, net	(1.4)	0.5
Intercompany interest income (expense)	32.4	31.6
Interest (expense) income	(128.9)	(130.7)
(Loss) income before income taxes	(56.3)	(24.1)
Income tax (benefit) expense	(61.9)	(40.4)
Net income (loss)	5.6	16.3
Comprehensive (loss) income	1.5	7.1
PAETEC Issuer | PAETEC Holding Corp.
Revenues and sales:
Service revenues	0	0
Product sales	0	0
Total revenues and sales	0	0
Costs and expenses:
Cost of services	0	0
Cost of products sold	0	0
Selling, general and administrative	0	0
Depreciation and amortization	0	0
Merger and integration costs	0	0
Restructuring charges	0	0
Total costs and expenses	0	0
Operating (loss) income	0	0
Earnings (losses) from consolidated subsidiaries	(40.6)	(25.7)
Other (expense) income, net	0	0
Intercompany interest income (expense)	0	0
Interest (expense) income	(9.7)	(9.6)
(Loss) income before income taxes	(50.3)	(35.3)
Income tax (benefit) expense	(3.7)	(3.7)
Net income (loss)	(46.6)	(31.6)
Comprehensive (loss) income	(46.6)	(31.6)
Guarantors
Revenues and sales:
Service revenues	248.1	259.6
Product sales	9.2	10.0
Total revenues and sales	257.3	269.6
Costs and expenses:
Cost of services	90.5	88.8
Cost of products sold	9.3	9.5
Selling, general and administrative	22.1	22.7
Depreciation and amortization	74.4	74.2
Merger and integration costs	0	0
Restructuring charges	1.2	2.2
Total costs and expenses	197.5	197.4
Operating (loss) income	59.8	72.2
Earnings (losses) from consolidated subsidiaries	15.1	12.3
Other (expense) income, net	0.2	41.4
Intercompany interest income (expense)	(13.1)	(13.8)
Interest (expense) income	(1.5)	(1.5)
(Loss) income before income taxes	60.5	110.6
Income tax (benefit) expense	20.8	38.0
Net income (loss)	39.7	72.6
Comprehensive (loss) income	39.7	72.6
Guarantors | PAETEC Holding Corp.
Revenues and sales:
Service revenues	485.1	486.5
Product sales	26.2	30.5
Total revenues and sales	511.3	517.0
Costs and expenses:
Cost of services	336.2	305.3
Cost of products sold	21.0	27.8
Selling, general and administrative	123.8	125.8
Depreciation and amortization	102.8	101.8
Merger and integration costs	0	0
Restructuring charges	2.3	4.4
Total costs and expenses	586.1	565.1
Operating (loss) income	(74.8)	(48.1)
Earnings (losses) from consolidated subsidiaries	(0.3)	(0.1)
Other (expense) income, net	0.1	0.3
Intercompany interest income (expense)	0	0
Interest (expense) income	0.2	0.1
(Loss) income before income taxes	(74.8)	(47.8)
Income tax (benefit) expense	(28.7)	(18.4)
Net income (loss)	(46.1)	(29.4)
Comprehensive (loss) income	(46.1)	(29.4)
Non-Guarantors
Revenues and sales:
Service revenues	1,139.5	1,164.3
Product sales	27.6	35.2
Total revenues and sales	1,167.1	1,199.5
Costs and expenses:
Cost of services	595.3	572.3
Cost of products sold	22.6	31.6
Selling, general and administrative	202.3	216.7
Depreciation and amortization	261.4	259.1
Merger and integration costs	14.1	7.4
Restructuring charges	5.8	10.7
Total costs and expenses	1,101.5	1,097.8
Operating (loss) income	65.6	101.7
Earnings (losses) from consolidated subsidiaries	0.6	0.6
Other (expense) income, net	0	(41.0)
Intercompany interest income (expense)	(19.3)	(17.8)
Interest (expense) income	(10.7)	(9.7)
(Loss) income before income taxes	36.2	33.8
Income tax (benefit) expense	13.7	13.4
Net income (loss)	22.5	20.4
Comprehensive (loss) income	22.5	20.4
Non-Guarantors | PAETEC Holding Corp.
Revenues and sales:
Service revenues	897.5	934.4
Product sales	10.8	14.4
Total revenues and sales	908.3	948.8
Costs and expenses:
Cost of services	344.4	353.4
Cost of products sold	11.2	13.0
Selling, general and administrative	100.7	113.0
Depreciation and amortization	233.0	231.5
Merger and integration costs	14.1	7.4
Restructuring charges	4.7	8.5
Total costs and expenses	708.1	726.8
Operating (loss) income	200.2	222.0
Earnings (losses) from consolidated subsidiaries	0	0.1
Other (expense) income, net	0.1	0.1
Intercompany interest income (expense)	(32.4)	(31.6)
Interest (expense) income	(2.7)	(1.7)
(Loss) income before income taxes	165.2	188.9
Income tax (benefit) expense	66.9	73.5
Net income (loss)	98.3	115.4
Comprehensive (loss) income	98.3	115.4
Eliminations
Revenues and sales:
Service revenues	(5.8)	(4.2)
Product sales	0	0
Total revenues and sales	(5.8)	(4.2)
Costs and expenses:
Cost of services	(5.8)	(3.2)
Cost of products sold	0	0
Selling, general and administrative	0	(1.0)
Depreciation and amortization	0	0
Merger and integration costs	0	0
Restructuring charges	0	0
Total costs and expenses	(5.8)	(4.2)
Operating (loss) income	0	0
Earnings (losses) from consolidated subsidiaries	(62.2)	(93.0)
Other (expense) income, net	0	0
Intercompany interest income (expense)	0	0
Interest (expense) income	0	0
(Loss) income before income taxes	(62.2)	(93.0)
Income tax (benefit) expense	0	0
Net income (loss)	(62.2)	(93.0)
Comprehensive (loss) income	(62.2)	(93.0)
Eliminations | PAETEC Holding Corp.
Revenues and sales:
Service revenues	(0.8)	(1.2)
Product sales	(0.2)	0.3
Total revenues and sales	(1.0)	(0.9)
Costs and expenses:
Cost of services	(0.6)	(0.8)
Cost of products sold	(0.3)	0.3
Selling, general and administrative	(0.1)	(0.4)
Depreciation and amortization	0	0
Merger and integration costs	0	0
Restructuring charges	0	0
Total costs and expenses	(1.0)	(0.9)
Operating (loss) income	0	0
Earnings (losses) from consolidated subsidiaries	(5.6)	(54.4)
Other (expense) income, net	0	0
Intercompany interest income (expense)	0	0
Interest (expense) income	0	0
(Loss) income before income taxes	(5.6)	(54.4)
Income tax (benefit) expense	0	0
Net income (loss)	(5.6)	(54.4)
Comprehensive (loss) income	$ (5.6)	$ (54.4)