DFIN 2017 Annual Report

Notes to the Consolidated and Combined Financial Statements (in millions, except per share data, unless otherwise indicated) The components of other intangible assets at December 31, 2017 and 2016 were as follows: December 31, 2017 December 31, 2016 Gross Carrying Amount Accumulated Amortization Net Book Value Gross Carrying Amount Accumulated Amortization Net Book Value Customer relationships . . . . . . . . . . . . . . . . $140.6 $(100.7) $39.9 $138.8 $(85.3) $53.5 Trade names . . . . . . . . . . . . . . . . . . . . . . . . 2.9 (2.9) — 6.3 (5.5) 0.8 Trademarks, licenses and agreements . . . . — — — 3.2 (3.2) — Total other intangible assets . . . . . . . . . . . . $143.5 $(103.6) $39.9 $148.3 $(94.0) $54.3 Amortization expense for other intangible assets was $15.0 million, $14.4 million and $15.4 million for the years ended December 31, 2017, 2016 and 2015, respectively. The following table outlines the estimated annual amortization expense related to other intangible assets as of December 31, 2017: For the year ending December 31, Amount 2018 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $13.8 2019 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.8 2020 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.3 2021 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . — 2022 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . — 2023 and thereafter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . — Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $39.9 Note 5. Accounts Receivable Transactions affecting the allowances for doubtful accounts receivable during the years ended December 31, 2017, 2016 and 2015 were as follows: 2017 2016 2015 Balance, beginning of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 6.4 $ 4.6 $3.9 Provisions charged to expense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.9 3.1 0.5 Write-offs and other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (3.0) (1.3) 0.2 Balance, end of year . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 7.3 $ 6.4 $4.6 Note 6. Inventories The components of the Company’s inventories, net of excess and obsolescence reserves for raw materials and finished goods, at December 31, 2017 and 2016 were as follows: 2017 2016 Raw materials and manufacturing supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 3.3 $ 7.6 Work in process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.7 10.8 Finished goods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.3 5.7 Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $23.3 $24.1 F-14