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Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2017
Debt Instrument [Line Items] |
Summary of long-term debt | The Company carries its long-term debt at face value, net of applicable discounts and capitalized debt issuance costs. Long-term debt consisted of the following:
|  | December 31,
|  | 2017 |  | 2016
|  | (In thousands)
5.00% Senior Notes (aggregate principal of $550,000 at December 31, 2017 and 2016) |  | $ | 542,063 |  |  | $ | 540,465 |
5.25% Senior Notes (aggregate principal of $300,000 at December 31, 2017 and 2016) |  | 296,151 |  |  | 295,591 |
Acquisition Line |  | 26,988 |  |  | — |
Real Estate Related and Other Long-Term Debt |  | 440,845 |  |  | 385,358 |
Capital lease obligations related to real estate, maturing in varying amounts through June 2034 with a weighted average interest rate of 10.4% and 9.9%, respectively |  | 51,665 |  |  | 47,613 |
|  | 1,357,712 |  |  | 1,269,027 |
Less current maturities of long-term debt |  | 39,528 |  |  | 56,218 |
|  | $ | 1,318,184 |  |  | $ | 1,212,809 |
Schedule of Maturities of Long-term Debt [Table Text Block] | The aggregate annual maturities of long-term debt, excluding unamortized capitalized debt issuance costs of $3.5 million, for the next five years are as follows:
| Total
| (In thousands)
Year Ended December 31, |
2018 | $ | 39,721 |
2019 | 86,967 |
2020 | 55,170 |
2021 | 86,336 |
2022 | 589,406 |
Thereafter | 503,634 |
Total | $ | 1,361,234 |

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + 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 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 Reference 4: 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.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 9: 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 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644 + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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