Note 9 - Debt (Details Textual) $ in Thousands | Oct. 01, 2019USD ($) | Jun. 15, 2019USD ($) | May 08, 2019USD ($) | Apr. 12, 2019USD ($) | Jan. 07, 2019USD ($) | May 01, 2017USD ($) | Jun. 30, 2015USD ($) | Dec. 31, 2019USD ($) | Dec. 31, 2018USD ($) | Apr. 22, 2018 | Dec. 31, 2017USD ($) | Jun. 30, 2020 | Jun. 17, 2015USD ($) |
Repayments of Long-term Debt, Total | | | | | | | | | $ 702,880 | | $ 14,391 | | $ 100,642 | | |
Write off of Deferred Debt Issuance Cost | | | | | | | | | 4,210 | | 110 | | 613 | | |
Proceeds from Issuance of Long-term Debt, Total | | | | | | | | | 1,275,000 | | 0 | | 750,000 | | |
Payments of Debt Issuance Costs | | | | | | | | | 11,844 | | 2,131 | | 15,224 | | |
Amortization of Debt Issuance Costs | | | | | | | | | 4,646 | | 4,163 | | $ 3,174 | | |
Debt Issuance Costs, Net, Total Reductions to Debt and Other, Noncurrent | | | | | | | | | 20,600 | | 17,600 | | | | |
Debt Issuance Costs, Net, Total | | | | | | | | | 18,142 | | 17,570 | | | | |
Other Noncurrent Assets [Member] | | | | | | | | | | | | | | | |
Debt Issuance Costs, Net, Total | | | | | | | | | 2,400 | | $ 0 | | | | |
Secured Debt [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | | $ 750,000 | | 1,775,000 | | | | | | |
Optional Additional Available Credit Facilities | | | | | | | $ 600,000 | | | | | | | | |
Debt Instrument, Covenant, Maximum First Lien Net Leverage Ratio | | | | | | | 3 | | | | | | | | |
Long-term Debt, Gross | | | | | | | | | 1,753,045 | | | | | | |
Payments of Debt Issuance Costs | | | | | | | | | 11,800 | | | | | | |
Secured Debt [Member] | Incremental Term Loan A [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | | $ 250,000 | | | | | | | | |
Debt Instrument, Term | | | | | | | 5 years | | | | | | | | |
Secured Debt [Member] | Incremental Term Loan B [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | | $ 500,000 | | | | | | | | |
Debt Instrument, Term | | | | | | | 7 years | | | | | | | | |
Secured Debt [Member] | Incremental Term Loan B [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | | | | | | 2.25% | | | |
Secured Debt [Member] | Incremental Term Loan B [Member] | London Interbank Offered Rate (LIBOR) [Member] | Forecast [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | | | | | | | | 1.75% | |
Secured Debt [Member] | Incremental Term Loan B [Member] | Base Rate [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | | | | | | 1.25% | | | |
Secured Debt [Member] | Incremental Term Loan B [Member] | Base Rate [Member] | Forecast [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | | | | | | | | 0.75% | |
Secured Debt [Member] | Term B-2 Loan [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | | | | $ 250,000 | | | | | | |
Debt Instrument, Interest Rate, Effective Percentage | | | | | | | | | 3.80% | | | | | | |
Long-term Debt, Gross | | | | | | | | | $ 248,125 | | | | | | |
Secured Debt [Member] | Term B-2 Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | [1] | | | | | | | | 2.00% | | | | | | |
Secured Debt [Member] | Term B-3 Loan [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | | | | $ 325,000 | | | | | | |
Debt Instrument, Interest Rate, Effective Percentage | | | | | | | | | 3.80% | | | | | | |
Long-term Debt, Gross | | | | | | | | | $ 323,375 | | | | | | |
Secured Debt [Member] | Term B-3 Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | 2.00% | | | | 2.00% | [1] | | | | | |
Secured Debt [Member] | Term B-3 Loan [Member] | Base Rate [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | 1.00% | | | | | | | | | | |
Secured Debt [Member] | New Revolving Credit Facility [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | 1.25% | | | | | | | | | | | |
Secured Debt [Member] | New Revolving Credit Facility [Member] | Minimum [Member] | Base Rate [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | 0.25% | | | | | | | | | | | |
Secured Debt [Member] | New Revolving Credit Facility [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | 1.75% | | | | | | | | | | | |
Secured Debt [Member] | New Revolving Credit Facility [Member] | Maximum [Member] | Base Rate [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | 0.75% | | | | | | | | | | | |
Secured Debt [Member] | Term Loan Borrowings [Member] | | | | | | | | | | | | | | | |
Long-term Debt, Gross | | | | | | | | | $ 1,800,000 | | | | | | |
Secured Debt [Member] | Term Loan A-2 [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | [2],[3] | | | | | | | | $ 700,000 | | | | | | |
Debt Instrument, Interest Rate, Effective Percentage | [2],[3] | | | | | | | | 3.30% | | | | | | |
Long-term Debt, Gross | [2],[3] | | | | | | | | $ 694,045 | | | | | | |
Proceeds from Issuance of Long-term Debt, Total | | $ 450,000 | | $ 250,000 | | | | | | | | | | | |
Long Term Debt, Amortization Rate, First Twelve Months | | | | | | | | | 2.50% | | | | | | |
Long Term Debt, Amortization Rate, Year Two | | | | | | | | | 2.50% | | | | | | |
Long Term Debt, Amortization Rate, Year Three | | | | | | | | | 5.00% | | | | | | |
Long Term Debt, Amortization Rate, Year Four | | | | | | | | | 7.50% | | | | | | |
Long Term Debt, Amortization Rate, Year Five | | | | | | | | | 12.50% | | | | | | |
Secured Debt [Member] | Term Loan A-2 [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | [1],[2],[3] | | | | | | | | 1.50% | | | | | | |
Secured Debt [Member] | Term Loan A-2 [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | | | 1.25% | | | | | | |
Secured Debt [Member] | Term Loan A-2 [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | | | | 1.75% | | | | | | |
Secured Debt [Member] | JPMorgan Chase Bank [Member] | New Term Loan A [ Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | $ 250,000 | | | | | | | | | | | |
Debt Instrument, Percentage of Original Principal Amount, Amortized, Next Twelve Month | | | | 2.50% | | | | | | | | | | | |
Debt Instrument, Percentage of Original Principal Amount, Amortized, Year Two | | | | 2.50% | | | | | | | | | | | |
Debt Instrument, Percentage of Original Principal Amount, Amortized, Year Three | | | | 5.00% | | | | | | | | | | | |
Debt Instrument, Percentage of Original Principal Amount, Amortized, Year Four | | | | 7.50% | | | | | | | | | | | |
Debt Instrument, Percentage of Original Principal Amount, Amortized, Year Five | | | | 12.50% | | | | | | | | | | | |
Secured Debt [Member] | JPMorgan Chase Bank [Member] | Delayed Draw Term Loan A [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | $ 450,000 | | | | | | | | | | | |
Debt Instrument, Unused Borrowing Capacity, Fee Percentage | | | | 0.30% | | | | | | | | | | | |
Secured Debt [Member] | JPMorgan Chase Bank [Member] | New Revolving Credit Facility [Member] | | | | | | | | | | | | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | $ 350,000 | | | | | | | | | | | |
Secured Debt [Member] | CoBank, ACB [Member] | Term B-2 Loan [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | $ 250,000 | | | | | | | | | |
Debt Instrument, Term | | | | | | 7 years | | | | | | | | | |
Secured Debt [Member] | CoBank, ACB [Member] | Term B-3 Loan [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | $ 325,000 | | | | | | | | | | |
Debt Instrument, Amortization Percent on a Annual Basis | | | | | 1.00% | | | | | | | | | | |
Letter of Credit [Member] | JPMorgan Chase Bank [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Effective Percentage | | | | | | | | | 1.63% | | | | | | |
Letter of Credit [Member] | JPMorgan Chase Bank [Member] | Minimum [Member] | | | | | | | | | | | | | | | |
Line of Credit Facility, Commitment Fee Percentage | | | | | | | | | 0.20% | | | | | | |
Letter of Credit [Member] | JPMorgan Chase Bank [Member] | Maximum [Member] | | | | | | | | | | | | | | | |
Line of Credit Facility, Commitment Fee Percentage | | | | | | | | | 0.30% | | | | | | |
Senior Unsecured Notes Due 2022 [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | | | | | | | | | | $ 450,000 |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | | | | | | | | 5.75% |
Repayments of Long-term Debt, Total | | | $ 450,000 | | | | | | | | | | | | |
Debt Instrument, Prepayment Penalty | | | 6,500 | | | | | | | | | | | | |
Write off of Deferred Debt Issuance Cost | | | $ 3,800 | | | | | | | | | | | | |
Senior Credit Facilities Due 2020 [Member] | Revolving Credit Facility [Member] | JPMorgan Chase Bank [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Term | | | | | | | | 5 years | | | | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | | | | | $ 200,000 | | | | | | | |
Senior Credit Facilities Due 2020 [Member] | Secured Debt [Member] | JPMorgan Chase Bank [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Term | | | | | | | | 5 years | | | | | | | |
Senior Credit Facilities Due 2020 [Member] | Line of Credit [Member] | JPMorgan Chase Bank [Member] | | | | | | | | | | | | | | | |
Letters of Credit Outstanding, Amount | | | | | | | | | $ 6,700 | | | | | | |
Line of Credit Facility, Remaining Borrowing Capacity | | | | | | | | | 343,300 | | | | | | |
Notes [Member] | | | | | | | | | | | | | | | |
Write off of Deferred Debt Issuance Cost | | | | | | | | | $ 3,800 | | | | | | |
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[1] | The Term Loan A-2 interest rate spread can vary between 1.25% and 1.75%, determined on a quarterly basis by reference to a pricing grid based on the Company's total net leverage ratio. All other applicable margins are fixed. | |
[2] | On May 8, 2019, $250.0 million was drawn. On October 1, 2019, an additional $450.0 million was drawn. | |
[3] | Per annum amortization rates for years one through five following the closing date are 2.5%, 2.5%, 5.0%, 7.5% and 12.5%, respectively. | |