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v3.22.0.1

Long Term Debt (Narrative) (Details) |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 29, 2019 USD ($) $ / shares | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Jul. 16, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Amortization of Debt Discount |  | $ 10,217,000 | $ 9,692,000 | $ 8,302,000 |
Revolving Line of Credit [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt outstanding |  | 140,000,000 | 207,000,000 |  |
Line of credit facility, available borrowing capacity |  | 442,500,000 |  |  |
Revolving Line of Credit [Member] | Amended and Restated Senior Credit Agreement [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 585,000,000
Letters of Credit [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Letters of credit outstanding |  | 2,500,000 |  |  |
Convertible Notes Payable [Member] | 2.625 Percent Convertible Notes Due 2024 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Face Amount | $ 345,000,000 |  |  |  |
Effective Interest Rate (percent) | 6.14% |  |  |  |
Interest Expense, Debt |  | 9,100,000 | 9,100,000 | 8,400,000 |
Debt Instrument, Convertible, Gross Amount of Equity Component | $ 51,600,000 |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.625% |  |  |  |
Debt Instrument, Convertible, Carrying Amount of Equity Component | $ 39,100,000 |  |  |  |
Amortization of Debt Discount |  | 10,200,000 | 9,700,000 | $ 8,300,000 |
Debt Instrument, Convertible, Conversion Ratio | 11.2608 |  |  |  |
Debt Instrument, Convertible, Conversion Price | $ / shares | $ 88.80 |  |  |  |
Debt Instrument, Fair Value Disclosure |  | $ 576,000,000 |  |  |
Convertible Notes Payable [Member] | 2.625 Percent Convertible Notes Due 2024 [Member] | Warrant |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Option Indexed to Issuer's Equity, Strike Price | $ / shares | $ 114.92 |  |  |  |
Long-term Debt [Member] | Amended and Restated Senior Credit Agreement [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Effective Interest Rate (percent) |  | 1.625% |  |  |
LIBOR Interest Rate Floor |  | 0.125% |  |  |
Long-term Debt [Member] | Amended and Restated Senior Credit Agreement [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Commitment Fee Percentage |  | 0.50% |  |  |
Long-term Debt [Member] | Amended and Restated Senior Credit Agreement [Member] | Adjusted LIBOR |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (percent) |  | 1.00% |  |  |
Term Loan Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term Debt, Gross |  | $ 227,600,000 |  |  |
Long-term debt outstanding |  | $ 226,196,000 | $ 240,145,000 |  |
Term Loan Facility [Member] | Amended and Restated Senior Credit Agreement [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 233,500,000
London Interbank Offered Rate (LIBOR) [Member] | Long-term Debt [Member] | Amended and Restated Senior Credit Agreement [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate (percent) |  | 1.50% |  |  |
Call Option [Member] | Convertible Notes Payable [Member] | 2.625 Percent Convertible Notes Due 2024 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Hedge and warrant transactions, net cash paid | $ 21,000,000 |  |  |  |

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