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Note 10 - Credit Agreements (Details Textual) $ in Thousands |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 01, 2016 | Jul. 01, 2015 | Apr. 01, 2014 | Nov. 30, 2016 USD ($) | May 31, 2015 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Sep. 30, 2014 USD ($) | Apr. 30, 2014 USD ($) | Dec. 31, 2016 USD ($) | Sep. 30, 2016 USD ($) | Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2014 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | May 31, 2013 USD ($)
Gain Loss on Change in Cash Flows Related to Debt | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (2,957) | $ (2,381) | $ 16,014 |
Short-term Debt |  |  |  |  |  |  |  |  |  |  | $ 31,198 |  | $ 8,594 |  |  | 31,198 | 8,594 |  |
ABL Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  | $ 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Uncommitted Incremental Term Loan Facility |  |  |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Amended ABL Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Uncommitted Incremental Term Loan Facility |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  | (0.50%) |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  |  |  |  |  |  |  |  |  |  |  |  | $ 540 |  |  |  | $ 540 |  |
Line of Credit Facility, Unused Capacity, Decrease In Commitment Fee Percentage |  |  |  |  |  | 0.125% |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Lines of Credit |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Line of Credit |  |  |  |  |  |  |  |  |  |  | 100,000 |  |  |  |  | 100,000 |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  |  |  |  |  |  |  |  | $ 145,593 |  |  |  |  | $ 145,593 |  |  |
Base Rate [Member] | ABL Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |
Adjusted LIBOR Rate [Member] | ABL Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |
Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,200,000
Uncommitted Incremental Term Loan Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000
Net Debt Leverage Ratio Threshold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |
Net Debt Leverage Ratio Achieved |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |
Debt Instrument, Interest Rate, Increase (Decrease) |  |  |  |  |  |  |  |  |  |  |  | 0.25% |  | 0.25% | (0.25%) |  | 0.25% | 0.25% |
Gain Loss on Change in Cash Flows Related to Debt |  |  |  |  |  |  |  |  |  |  |  | $ (2,957) |  | $ (2,381) | $ 16,014 |  |  |  |
Net Debt Leverage Ratio Not Achieved |  | 3 | 3 |  |  |  |  |  |  |  | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Debt Issuance Costs, Net |  |  |  |  | $ 4,242 | 1,528 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Fee Amount |  |  |  |  | 315 | 49 |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Long-term Debt |  |  |  |  | 25,000 | $ 100,000 | $ 50,000 | $ 25,000 | $ 50,000 | $ 12,000 |  |  |  |  |  |  |  |  |
Write off of Deferred Debt Issuance Cost |  |  |  |  | $ 574 |  |  |  |  |  |  |  |  |  |  |  | $ 4,795 | $ 2,084 |
Term Loan [Member] | Base Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.75% |  |  |
Term Loan [Member] | Base Rate [Member] | Net Debt Leverage Ratio Threshold [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% |  |  |
Term Loan [Member] | Adjusted LIBOR Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.75% |  |  |
Term Loan [Member] | Adjusted LIBOR Rate [Member] | Net Debt Leverage Ratio Threshold [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% |  |  |
Term Loan [Member] | LIBOR Floor Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.75% |  |  |
[1] | For the year ended December 31, 2016, represents a non-cash loss in the third quarter 2016 relating to the continued 25 basis point increase in borrowing costs as a result of the credit agreement leverage ratio remaining above 3.0 times and expected to remain above 3.0 based on current projections. For the year ended December 31, 2015, represents a non-cash loss relating to a 25 basis point increase in borrowing costs as a result of the credit agreement leverage ratio rising above 3.0 times effective third quarter 2015 and expected to remain above 3.0 times based on projections at the time. For the year ended December 31, 2014 represents a non-cash gain relating to a 25 basis point reduction in borrowing costs as a result of the credit agreement leverage ratio falling below 3.0 times effective second quarter 2014 and expected to remain below 3.0 times based on projections at the time.

X
- Definition Gain (loss)on change in cash flows related to debt during the period. + References No definition available. + Details
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- Definition The decrease in the fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition Represents net debt leverage ratio that the borrower has achieved (the borrower's actual net debt leverage ratio is below this target). + References No definition available. + Details
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- Definition Represents net debt leverage ratio that the borrower has not achieved (the borrower's actual net debt leverage ratio is above this target). + References No definition available. + Details
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- Definition Threshold of the ratio used to calculate the financial leverage and the ability to meet financial obligations. If the borrower's actual net debt leverage ratio falls below this threshold for a certain measurement period, the applicable margin related to LIBOR rate loans can be reduced by a specified percentage. + References No definition available. + 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 Amount of the fee that accompanies borrowing money under the debt instrument. + 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(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 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 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + 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://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 2: 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(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: 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(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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