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Long-Term Debt and Related Matters - Narrative - North America (Details) |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 30, 2019 USD ($) | Nov. 07, 2016 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2019 USD ($) | Jun. 29, 2016 USD ($)
Line of Credit Facility |  |  |  |  |
Term loan |  |  | $ 0 | $ 23,750,000 |
Line of credit facility, amount outstanding |  |  | $ 74,008,000 | 33,868,000 |
PNC Bank, N.A., Bank of America, N.A., Wells Fargo Bank, N.A., Citizens Bank of Pennsylvania, and Branch Banking and Trust Company |  |  |  |  |
Line of Credit Facility |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 195,000,000 |  |  |  | $ 140,000,000
Term loan |  | $ 25,000,000 |  |  |
Leverage ratio in effect for the eighth quarter and remainder of a credit agreement |  | 25,000,000 |  |  |
EBITDA required |  |  |  | $ 3.25 |
Fixed charge coverage ratio |  |  | 3.50 |  |
Fixed charge coverage ratio after fifth quarter |  |  |  | 1.40 |
Minimum Consolidated Fixed Charge Coverage Ratio |  |  |  | 1.25 |
PNC Bank, N.A., Bank of America, N.A., Wells Fargo Bank, N.A., Citizens Bank of Pennsylvania, and Branch Banking and Trust Company | Revolving Credit Facility |  |  |  |  |
Line of Credit Facility |  |  |  |  |
Line of credit facility, amount outstanding |  |  | $ 425,000 | $ 492,000 |
Line of credit facility, current borrowing capacity |  |  | $ 120,567,000 | $ 105,640,000 |
Line of Credit Facility, Potential Increase To Borrowing Capacity | $ 50,000,000 |  |  |  |
PNC Bank, N.A., Bank of America, N.A., Wells Fargo Bank, N.A., Citizens Bank of Pennsylvania, and Branch Banking and Trust Company | Revolving Credit Facility | Euro-rate |  |  |  |  |
Line of Credit Facility |  |  |  |  |
Debt instrument, basis spread on variable rate | 100.00% |  |  |  |
PNC Bank, N.A., Bank of America, N.A., Wells Fargo Bank, N.A., Citizens Bank of Pennsylvania, and Branch Banking and Trust Company | Revolving Credit Facility | Euro-rate | Minimum |  |  |  |  |
Line of Credit Facility |  |  |  |  |
Debt instrument, basis spread on variable rate | 125.00% |  |  |  |
PNC Bank, N.A., Bank of America, N.A., Wells Fargo Bank, N.A., Citizens Bank of Pennsylvania, and Branch Banking and Trust Company | Revolving Credit Facility | Euro-rate | Maximum |  |  |  |  |
Line of Credit Facility |  |  |  |  |
Debt instrument, basis spread on variable rate | 225.00% |  |  |  |
PNC Bank, N.A., Bank of America, N.A., Wells Fargo Bank, N.A., Citizens Bank of Pennsylvania, and Branch Banking and Trust Company | Revolving Credit Facility | Base Rate | Minimum |  |  |  |  |
Line of Credit Facility |  |  |  |  |
Debt instrument, basis spread on variable rate | 25.00% |  |  |  |
PNC Bank, N.A., Bank of America, N.A., Wells Fargo Bank, N.A., Citizens Bank of Pennsylvania, and Branch Banking and Trust Company | Revolving Credit Facility | Base Rate | Maximum |  |  |  |  |
Line of Credit Facility |  |  |  |  |
Debt instrument, basis spread on variable rate | 12500.00% |  |  |  |
PNC Bank, N.A., Bank of America, N.A., Wells Fargo Bank, N.A., Citizens Bank of Pennsylvania, and Branch Banking and Trust Company | Revolving Credit Facility | Prime Rate |  |  |  |  |
Line of Credit Facility |  |  |  |  |
Debt instrument, basis spread on variable rate | 50.00% |  |  |  |

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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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