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Debt - Narrative (Details) |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 02, 2018 USD ($) | Feb. 15, 2018 USD ($) | Jun. 01, 2017 USD ($) | Dec. 31, 2018 USD ($)
Credit Facility 2017 | London Interbank Offered Rate (LIBOR) |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable interest rate |  | 2.50% |  |
Reduction in rate |  | 0.25% |  |
Potential reduction to basis spread on variable rate, pro forma leverage ratio used for calculation |  | 1.00 |  |
Credit Facility 2017 | Base Rate |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable interest rate |  | 1.50% |  |
Term Loan | Credit Facility 2017 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Maximum borrowing capacity |  |  | $ 260,000,000.0 |
Debt term |  |  | 7 years |
Amount outstanding |  |  |  | $ 340,600,000
Debt issuance costs |  |  |  | $ 11,400,000
Annual principal payment, percentage of principal |  |  |  | 1.00%
Amount required to be prepaid, percent of excess cash flow |  |  |  | 50.00%
Premium due if prepaid in connection with repricing transaction within six months of credit agreement closing |  |  |  | 1.00%
Term Loan | Credit Facility 2017 | London Interbank Offered Rate (LIBOR) |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable rate, floor |  | 0.75% |  |
Term Loan | Additional Term Loan 2018 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Maximum borrowing capacity |  | $ 105,000,000 |  |
Covenant terms, leverage ratio |  | 2.50 |  |
Covenant terms, percent of aggregate revolving commitments |  | 30.00% |  |
Revolving Credit Facility | Credit Facility 2017 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Maximum borrowing capacity |  |  | $ 100,000,000.0 |
Debt term |  |  | 5 years |
Revolving Credit Facility | Credit Facility 2017 | London Interbank Offered Rate (LIBOR) |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable rate, floor |  | 0.00% |  |
Leverage Ratio Below 1.00 | Term Loan | Credit Facility 2017 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Amount required to be prepaid, percent of excess cash flow |  |  |  | 25.00%
Leverage Ratio Below 0.50 | Term Loan | Credit Facility 2017 |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Amount required to be prepaid, percent of excess cash flow |  |  |  | 0.00%
Sustainable Growth Advisers, LP |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Term loan debt drawn at closing | $ 105,000,000 |  |  |

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- Definition Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477 + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Debt Instrument, Premium Due If Prepaid In Connection With Repricing Transaction Within Six Months Of Credit Agreement Closing + References No definition available. + Details
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