Long-Term Debt (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 1,059,038	$ 1,018,666
Current maturities of long-term debt	(8,597)	(31,727)
Long-term debt	1,050,441	986,939
Asset based lending facility [Member] \| ABL Facility due 2021 [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 130,788	$ 81,700
Debt interest rate (percent)	4.00%	3.40%
Secured debt [Member] \| 4.0% secured note due 2021 [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 49,841	$ 49,813
Long-term debt, outstanding principal amount	$ 50,000	50,000
Debt interest rate (percent)	4.00%
Junior notes [Member] \| 8.500% junior secured priority notes due 2022 [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 235,505	234,742
Long-term debt, outstanding principal amount	$ 241,000	241,000
Debt interest rate (percent)	8.50%
Senior notes [Member] \| 6.000% senior secured priority notes due 2019 [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 532,936	530,166
Long-term debt, outstanding principal amount	$ 540,000	540,000
Debt interest rate (percent)	6.00%
Senior unsecured debt [Member] \| 6.000% senior unsecured notes due 2024 [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 87,208	85,591
Long-term debt, outstanding principal amount	$ 104,500	104,500
Debt interest rate (percent)	6.00%
Senior unsecured debt [Member] \| 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 0	20,371
Long-term debt, outstanding principal amount	$ 0	20,500
Debt interest rate (percent)	11.50%
Convertible debt [Member] \| 7% senior exchangeable notes due 2017 [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 0	5,468
Long-term debt, outstanding principal amount	$ 0	5,500
Debt interest rate (percent)	7.00%
Other debt including capital leases [Member] \| Other debt including capital leases [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 22,760	$ 10,815

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ 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

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Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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