XML 46 R31.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Supplemental Disclosures | 12 Months Ended
--- | ---
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Supplemental Disclosures | Supplemental Disclosures Analysis of Allowances for Doubtful Accounts: ($ in millions)
| For the Years Ended December 31,
| 2018 |  | 2017 |  | 2016
Allowance for Doubtful Accounts |  |  |  |  |
Beginning balance | $ | 1.0 |  |  | $ | 0.8 |  |  | $ | 0.4 |
Bad debt expense | 1.2 |  |  | 0.8 |  |  | 0.4 |
Recoveries | (0.2 | ) |  | — |  |  | — |
Write-offs and discounts | (0.3 | ) |  | (0.6 | ) |  | — |
Ending balance | $ | 1.7 |  |  | $ | 1.0 |  |  | $ | 0.8 |
Supplemental Cash Flow Information ($ in millions)
| For the Years Ended December 31,
| 2018 |  | 2017 |  | 2016
Interest paid | $ | 24.0 |  |  | $ | 22.7 |  |  | $ | 13.3 |
Income taxes paid | 23.2 |  |  | 38.1 |  |  | 31.9 |
Capital spending in accounts payable and accrued liabilities | 5.0 |  |  | 7.7 |  |  | 8.8 |
Deferred contingent business acquisition consideration | — |  |  | 8.6 |  |  | — |

X
- Definition The entire disclosures of supplemental information, including descriptions and amounts, related to the balance sheet, income statement, and/or cash flow statement. + References No definition available. + Details
Name: | us-gaap_AdditionalFinancialInformationDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration