Retirement Plans - Components of Estimated Net Pension Plan (Income) Expense (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Defined Benefit Plan Disclosure [Line Items] | |||
| Settlements | $ 0.0 | $ 0.0 | $ 95.7 |
| Net periodic benefit (income) expense | (1.0) | (27.0) | 62.1 |
| Income allocated to RRD affiliates | 25.2 | 31.0 | |
| Pension Plan | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Service cost | 0.1 | ||
| Interest cost | 2.4 | 147.3 | 161.7 |
| Expected return on plan assets | (4.1) | (210.7) | (224.5) |
| Amortization of actuarial loss | 0.7 | 36.4 | 29.1 |
| Settlements | 95.7 | ||
| Net periodic benefit (income) expense | (1.0) | (27.0) | 62.1 |
| Income allocated to RRD affiliates | 25.2 | 31.0 | |
| Net periodic benefit (income) expense, net of allocation | $ (1.0) | $ (1.8) | $ 93.1 |
| Weighted average assumption used to calculate net periodic benefit expense: | |||
| Discount rate | 3.70% | 4.20% | 5.00% |
| Expected return on plan assets | 7.30% | 7.50% | 7.80% |