v3.20.2

Employee Benefit Plans: Components of Pension Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net actuarial loss (b)	$ 2.9	$ 7.7	$ 2.9	$ 7.7
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Benefits earned during the period (a)	1.0	0.9	2.0	1.5
Interest cost on benefit obligation (b)	9.4	11.1	18.8	22.0
Amortization of prior service credit (b)	(0.2)	(0.2)	(0.4)	(0.5)
Expected return on plan assets (b)	(14.6)	(12.4)	(29.3)	(24.8)
Net periodic benefit (income) expense	$ (1.5)	$ 7.1	$ (6.0)	$ 5.9

Amount of gain (loss), recognized immediately as component of net periodic benefit (cost) credit, for change in value of benefit obligation or plan assets from experience different from that assumed, change in actuarial assumption, or consequence of temporarily deviating from substantive plan. Includes, but is not limited to, amount in excess of ten percent of greater of fair value of plan assets or benefit obligation.

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Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.

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Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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Amount of cost recognized for passage of time related to defined benefit plan.

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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WINDSTREAM HOLDINGS, INC. 10-Q