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Long-Term Obligations - Narrative (Details) - USD ($) |  | 9 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 02, 2017 | Sep. 30, 2017 | Oct. 01, 2016 | May 24, 2017 | Dec. 31, 2016
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate for revolving credit facility (in hundredths) |  | 1.88% |  |  |
Payment of debt issuance costs |  | $ 1,257,000 | $ 27,000 |  |
Unamortized debt issuance costs |  | 1,362,000 |  |  |
Loan receivable |  | 426,000 |  |  |
Capital lease obligations |  | 4,639,000 |  |  | $ 4,309,000
Canadian-Denominated Borrowing [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from borrowings |  | 70,691,000 |  |  |
Revolving Credit Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Outstanding balance |  | 273,577,000 |  |  | $ 61,494,000
Remaining borrowing capacity |  | 26,421,000 |  |  |
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Payment of debt issuance costs |  | 1,257,000 |  |  |
Revolving Credit Facility [Member] | Euro-Denominated Borrowing [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from borrowings |  | 61,769,000 |  |  |
Outstanding balance |  | 90,410,000 |  |  |
Revolving Credit Facility [Member] | Canadian-Denominated Borrowing [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Outstanding balance |  | $ 66,608,000 |  |  |
Capital Lease Obligations [Member] | Sale Leaseback Arrangement [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Effective interest rate |  | 1.70% |  |  |
Net purchase option |  | $ 1,644,000 |  |  |
Capital lease obligations |  | 4,532,000 |  |  |
Capital Lease Obligations [Member] | PAAL Equipment Capital Lease [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Capital lease obligations |  | $ 107,000 |  |  |
Weighted average interest rate |  | 3.43% |  |  |
Remaining term |  | 2 years 7 months 6 days |  |  |
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Term of unsecured revolving credit facility | 5 years |  |  |  |
Borrowing capacity available under committed portion | $ 200,000,000 |  |  | $ 300,000,000 |
Additional borrowing capacity | $ 100,000,000 |  |  |  |
Basis spread on variable rate floor (as a percentage) | 0.00% |  |  |  |
Percentage of foreign unrestricted cash | 65.00% |  |  |  |
Maximum unrestricted cash | $ 30,000,000 |  |  |  |
Maximum consolidated leverage ratio | 3.5 |  |  |  |
Minimum consolidated interest coverage ratio | 3 |  |  |  |
Proceeds from borrowings |  | $ 222,019,000 |  |  |
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member] | Federal Funds Rate [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (in hundredths) | 0.50% |  |  |  |
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member] | Thirty-day LIBOR [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (in hundredths) | 0.50% |  |  |  |
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member] | LIBOR [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (in hundredths) | 1.00% |  |  |  |
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member] | LIBOR [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (in hundredths) | 2.00% |  |  |  |

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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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