Retirement Plans - Additional Information (Details)
$ in Millions |
3 Months Ended |
12 Months Ended |
|
|
Dec. 31, 2014
USD ($)
|
Dec. 31, 2016
USD ($)
Pension_Plan
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
Oct. 01, 2016
USD ($)
|
| Defined Benefit Plan Disclosure [Line Items] |
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|
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| Net pension (income) expense |
|
$ (1.0)
|
$ (27.0)
|
$ 62.1
|
|
| Pension (income) expense allocated to RRD and RRD related parties |
|
|
(25.2)
|
(31.0)
|
|
| Reduction in pension obligation |
|
|
|
404.0
|
|
| Pension and other post retirement non-cash settlement expense |
$ 95.7
|
|
|
|
|
| Pension and postretirement contributions |
|
1.0
|
0.0
|
0.0
|
|
| Defined benefit plan, accumulated benefit obligation |
|
$ 294.5
|
3.2
|
|
|
| Threshold for recognition in net periodic benefit costs, percentage of projected benefit obligation or fair value of plan assets |
|
10.00%
|
|
|
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| Multi-employer pension plan withdrawal obligations |
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|
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| Defined Benefit Plan Disclosure [Line Items] |
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|
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| Other Charges |
|
$ 0.2
|
0.2
|
0.3
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| Multi-Employer Pension Plans |
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| Defined Benefit Plan Disclosure [Line Items] |
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| Number of multi-employer Pension plans withdrawn from | Pension_Plan |
|
1
|
|
|
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| Hedging Investments |
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|
|
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
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| Target asset allocation percentage |
|
40.00%
|
|
|
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| Return Seeking Securities |
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
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| Target asset allocation percentage |
|
60.00%
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|
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| Pension Plan |
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| Defined Benefit Plan Disclosure [Line Items] |
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|
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|
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| Pension cost and other postretirement benefits |
|
$ 4.6
|
158.0
|
|
|
| Net pension plan liabilities |
|
57.5
|
3.2
|
|
|
| Total benefit plan liability |
3,631.1
|
293.3
|
3.2
|
3,631.1
|
|
| Plan assets, fair market value |
$ 3,219.9
|
235.8
|
0.0
|
3,219.9
|
|
| Net pension (income) expense |
|
(1.0)
|
(27.0)
|
62.1
|
|
| Pension (income) expense allocated to RRD and RRD related parties |
|
|
(25.2)
|
(31.0)
|
|
| Pension and postretirement contributions |
|
1.3
|
|
|
|
| Pension and other postretirement expected contributions for next year |
|
2.2
|
|
|
|
| Other Postretirement Benefit Plan |
|
|
|
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
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| Pension cost and other postretirement benefits |
|
0.0
|
|
|
|
| Net pension plan liabilities |
|
1.2
|
|
|
|
| Total benefit plan liability |
|
1.2
|
0.0
|
|
|
| Plan assets, fair market value |
|
0.0
|
0.0
|
|
|
| Pension and other postretirement expected contributions for next year |
|
0.1
|
|
|
|
| Lump Sum Pension Payment Or Annuity |
|
|
|
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
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| Pension cost and other postretirement benefits |
|
|
|
317.7
|
|
| R.R. Donnelley & Sons Company |
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|
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
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| Pension cost and other postretirement benefits |
|
4.2
|
3.7
|
4.3
|
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| Net pension plan liabilities |
|
|
|
|
$ 68.3
|
| Total benefit plan liability |
|
|
|
|
317.0
|
| Plan assets, fair market value |
|
|
|
|
248.7
|
| Net other postretirement benefit liability |
|
|
|
|
$ 1.5
|
| R.R. Donnelley & Sons Company | Other Postretirement Benefit Plan |
|
|
|
|
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| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
|
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| Pension cost and other postretirement benefits |
|
$ 1.0
|
$ 1.9
|
$ 1.8
|
|