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Debt (Details Textual) - USD ($) |  |  |  |  |  | 3 Months Ended | 12 Months Ended | 37 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
May 01, 2024 | May 03, 2016 | Mar. 23, 2016 | Oct. 23, 2014 | Mar. 20, 2013 | Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016 | May 01, 2019
Debt [Line Items] |  |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  |  |  |  |  | $ 18,039,000 |  | $ 18,420,000 |
Long-term Line of Credit, Noncurrent |  |  |  |  |  | 4,886,000 |  | 54,425,000 |
Loss on redemption of notes |  |  |  |  |  | 0 | $ (33,298,000) |  |
Interest Paid |  |  |  |  |  | 999,000 | $ 25,703,000 |  |
Letters of Credit Outstanding, Amount |  |  |  |  |  | 4,810,000 |  |  |
Outstanding Checks |  |  |  |  |  | $ 44,038,000 |  |  |
Six Point Five Zero Percentage Notes [Domain] |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 900,000 |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 6.50% |  |  | 6.50% |  |  |
Proceeds from Offering |  |  | $ 880,000 |  |  |  |  |  |
Debt Instrument, Redemption Date, One |  |  |  |  |  | May 01, 2019 |  |  |
Debt Instrument, Redemption Date, Two |  |  |  |  |  | May 01, 2020 |  |  |
Debt Instrument, Percentage Of Redemption Price, Redemption Date Three |  |  |  |  |  | 101.625% |  |  |
Debt Instrument, Redemption Date, Three |  |  |  |  |  | May 01, 2021 |  |  |
Debt Instrument, Redemption Date, Latest For Redemption At Face Amount |  |  |  |  |  | May 01, 2022 |  |  |
Debt Instrument, Percentage Of Redemption Price, Redemption Date One |  |  |  |  |  | 104.875% |  |  |
Debt Instrument, Percentage Of Redemption Price, Redemption Date Two |  |  |  |  |  | 103.25% |  |  |
Debt Instrument, Percentage Of Redemption Price, Redemption Date, Latest For Redemption At Face Amount |  |  |  |  |  | 100.00% |  |  |
Debt Instrument, Percentage Redeemable Redemption Date, Additional |  |  |  |  |  | 106.50% |  |  |
Debt Instrument, Percentage Of Redemption Price, Change In Ownership Control |  |  |  |  |  | 101.00% |  |  |
Notes due 2024 [Domain] |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  | $ 900,000,000 |  | 900,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  | 6.50% |  |  |
Notes due 2020 [Member] |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  | 6.75% |  |  |
6.75% Notes |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  | 6.75% |  |  |  |
Loss on redemption of notes |  |  |  |  |  |  |  | $ 33,298 |
Debt Instrument, Percentage Of Redemption Price, Redemption Date One |  |  | 103.375% |  |  |  |  |  |
Wells Fargo Capital Finance, LLC |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Line of Credit Facility, Increase (Decrease), Net |  |  |  | $ 100,000,000 |  |  |  |  |
Long-term Line of Credit |  |  |  |  | $ 225,000,000 |  |  |  |
Debt Instrument, Maturity Date |  | May 03, 2021 |  | Sep. 30, 2019 |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 325,000,000 |  |  |  |  |
Line of Credit Facility, Description |  |  |  |  | Dec. 31, 2018 |  |  |  |
Wells Fargo Capital Finance, LLC | Base Rate |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 1.75% |  | 1.00% |  |  |  |  |
Wells Fargo Capital Finance, LLC | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 1.75% |  |  |  |  |
Wells Fargo Capital Finance, LLC | Non-Prime Rate and Prime Rate on European Advances [Member] |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 1.50% |  |  |  |  |  |  |
Wells Fargo Capital Finance, LLC | 6.75% Notes |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  |  | Apr. 01, 2020 |  |  |  |  |  |
Scenario, Forecast [Member] | Six Point Five Zero Percentage Notes [Domain] |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date | May 01, 2024 |  |  |  |  |  |  |  |
Scenario, Forecast [Member] | Wells Fargo Capital Finance, LLC | Six Point Five Zero Percentage Notes [Domain] |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date | May 01, 2024 |  |  |  |  |  |  |  |
Scenario, Forecast [Member] | Optional redemption [Domain] | Six Point Five Zero Percentage Notes [Domain] |  |  |  |  |  |  |  |  |
Debt [Line Items] |  |  |  |  |  |  |  |  |
Debt Instrument, Percentage Of Redemption Price Redemption Date, Additional |  |  |  |  |  |  |  |  | 35.00%

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- Definition The second set in the series of latest date, before maturity, on which the issuer can call the outstanding debt instrument for repayment or conversion to equity, which may be presented in a variety of ways (year only, month and year, day, month and year, quarter, etc.). + References No definition available. + 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 Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase. + References No definition available. + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any 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 Date the credit facility terminates, in CCYY-MM-DD format. + 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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