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Debt and Credit Facility, Narrative (Details) | 6 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2016 USD ($) | Sep. 30, 2016 | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) shares | Dec. 31, 2014 USD ($) | Jun. 01, 2016 USD ($) | May 15, 2016 USD ($) | May 23, 2012 USD ($) | Mar. 31, 2010 USD ($)
Debt Instrument |  |  |  |  |  |  |  |  |  |
Unamortized Debt Issuance Expense |  |  |  | $ 6,300,000 |  |  |  |  |  |
Loss on Repurchase of Debt Instrument | [1] |  |  | (11,100,000) | $ (2,500,000) | $ 0 |  |  |  |
Long-term debt | [2] |  |  | 368,700,000 | 194,600,000 |  |  |  |  |
Repayments of Unsecured Debt | [1] |  |  | 206,000,000 | 30,000,000 | 0 |  |  |  |
Derivative Asset |  |  |  | 5,800,000 | 1,600,000 |  |  |  |  |
Senior Notes Due 2024 [Member] | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Principal amount of notes |  |  |  |  |  |  |  | $ 375,000,000 |  |
Interest rate |  |  |  |  |  |  |  | 5.875% |  |
Percentage of principal amount issued |  |  |  |  |  |  |  | 100.00% |  |
Interest Expense including amortization of deferred financing cost |  |  |  | $ 14,500,000 |  |  |  |  |  |
Effective interest rate |  |  |  | 6.10% |  |  |  |  |  |
Debt Instrument, Fair Value Disclosure |  |  |  | $ 390,800,000 |  |  |  |  |  |
Senior Notes Due 2024 [Member] | Senior Notes | Change in control |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  | 101.00% |  |  |  |  |  |  |
Senior Notes Due 2020 | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Principal amount of notes |  |  |  |  |  |  |  |  | $ 225,000,000 |
Interest rate |  |  |  |  |  |  |  |  | 8.25% |
Interest Expense including amortization of deferred financing cost |  |  |  | 7,100,000 | $ 18,800,000 | $ 19,400,000 |  |  |  |
Effective interest rate |  |  |  |  | 8.60% |  |  |  |  |
Debt Instrument, Periodic Payment, Principal |  |  |  |  | $ 27,200,000 |  |  |  |  |
Percentage of principal amount repurchased |  |  |  |  | 107.50% |  |  |  |  |
Debt Instrument, Periodic Payment, Interest |  |  |  |  | $ 800,000 |  |  |  |  |
Loss on Repurchase of Debt Instrument |  |  |  |  | 2,500,000 |  |  |  |  |
Long-term debt |  |  |  |  |  |  | $ 197,800,000 |  |  |
Debt Instrument, Fair Value Disclosure |  |  |  |  | 207,300,000 |  |  |  |  |
Repayments of Unsecured Debt |  |  |  |  | $ 30,000,000 |  |  |  |  |
Repayments of Debt |  | $ 214,200,000 |  |  |  |  |  |  |  |
Redemption Premium |  | 8,200,000 |  | 8,200,000 |  |  |  |  |  |
Write off of Deferred Debt Issuance Cost |  | $ 2,900,000 |  | 2,900,000 |  |  |  |  |  |
Convertible Notes | Convertible Notes Payable |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Principal amount of notes |  |  |  |  |  |  |  |  |  | $ 175,000,000
Interest rate |  |  |  |  |  |  |  |  |  | 4.50%
Effective interest rate |  |  |  |  | 11.00% |  |  |  |  |
Debt Instrument, Periodic Payment |  |  |  |  | $ 3,900,000 |  |  |  |  |
Debt Instrument, Convertible, If-converted Value in Excess of Principal |  |  |  |  | 94,900,000 |  |  |  |  |
Net cash outflow in convertible debt settlement |  |  |  |  | $ 178,900,000 |  |  |  |  |
Stock Issued During Period, Shares, Other | shares |  |  |  |  | 1,015,185 |  |  |  |  |
Revolving Credit Facility | Line of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 300,000,000 |  |  |  |  |  |
Percentage of eligible accounts receivable for borrowing base |  |  |  | 85.00% |  |  |  |  |  |
Percentage of eligible inventory for borrowing base |  |  |  | 75.00% |  |  |  |  |  |
Percentage of net orderly liquidation value of eligible inventory |  |  |  | 85.00% |  |  |  |  |  |
Maximum amount of eligible machinery and equipment for borrowing base |  |  |  | $ 60,000,000 |  |  |  |  |  |
Line of Credit Facility, Possible Future Maximum Borrowing Capacity |  |  |  | 400,000,000 |  |  |  |  |  |
Available borrowing capacity |  |  |  | 283,000,000 |  |  |  |  |  |
Outstanding line of credit |  |  |  | 0 |  |  |  |  |  |
Remaining available borrowing capacity |  |  |  | $ 275,300,000 |  |  |  |  |  |
Interest on Revolving Credit Facility |  |  |  | 4.00% |  |  |  |  |  |
Minimum Amount of Available Borrowing to Maintain |  |  |  | $ 52,500,000 |  |  |  |  |  |
Revolving Credit Facility | Line of Credit | Borrowing Availability Under $45.0 Million |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Line of Credit, Ability to Make Restricted Actions, Available Borrowing Necessary After Action with Fixed Charge Coverage Ratio |  |  |  | $ 45,000,000 |  |  |  |  |  |
Fixed Charge Coverage Ratio |  |  |  | 1.15 |  |  |  |  |  |
Revolving Credit Facility | Line of Credit | Borrowing Availability Under $30.0 Million |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Fixed Charge Coverage Ratio |  |  |  | 1.0 |  |  |  |  |  |
Line of Credit, Minimum Borrowing Availability Threshold to Maintain Fixed Charge Coverage Ratio |  |  |  | $ 30,000,000 |  |  |  |  |  |
Revolving Credit Facility | Letter of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | 20,000,000 |  |  |  |  |  |
Outstanding line of credit |  |  |  | $ (7,700,000) |  |  |  |  |  |
On or after June 1, 2016 | Senior Notes Due 2020 | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 104.125% |  |  |  |  |  |  |  |
On or after May 15, 2019 [Member] | Senior Notes Due 2024 [Member] | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  |  | 104.406% |  |  |  |  |  |
On or after May 15, 2020 [Member] | Senior Notes Due 2024 [Member] | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  |  | 102.938% |  |  |  |  |  |
On or after May 15, 2021 [Member] | Senior Notes Due 2024 [Member] | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  |  | 101.469% |  |  |  |  |  |
On or after May 15, 2022 [Member] | Senior Notes Due 2024 [Member] | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  |  | 100.00% |  |  |  |  |  |
Any time prior to May 15, 2019 [Member] | Senior Notes Due 2024 [Member] | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  |  | 100.00% |  |  |  |  |  |
Upon receipt of the proceeds of certain asset sales [Member] | Senior Notes Due 2024 [Member] | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  | 100.00% |  |  |  |  |  |  |
[1] | See Note 3 for more information relating to the 8.25% Senior Notes (defined in Note 3) and the Convertible Notes.
[2] | See Note 1 for discussion of our adoption of ASU 2015-03 and ASU 2015-17 (as defined in Note 1).

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- Definition Line of Credit, Ability to Make Restricted Actions, Available Borrowing Necessary After Action + References No definition available. + Details
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- Definition Line of Credit, Ability to Make Restricted Actions, Available Borrowing Necessary After Action with Fixed Charge Coverage Ratio + References No definition available. + Details
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- Definition Line of Credit Facility, Possible Future Maximum Borrowing Capacity + References No definition available. + Details
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- Definition Line of Credit, Fixed Charge Coverage Ratio + References No definition available. + Details
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- Definition Line of Credit, Minimum Borrowing Availability Threshold to Maintain Fixed Charge Coverage Ratio + References No definition available. + Details
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- Definition Maximum amount of eligible machinery and equipment for borrowing base + References No definition available. + Details
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- Definition Net cash outflow in convertible debt settlement + References No definition available. + Details
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- Definition Percentage of eligible accounts receivable for borrowing base + References No definition available. + Details
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- Definition Percentage of eligible inventory for borrowing base + References No definition available. + Details
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- Definition Percentage of net orderly liquidation value of eligible inventory + References No definition available. + Details
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- Definition Percentage of principal amount repurchased + References No definition available. + Details
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- Definition The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: 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 2: 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 + Details
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13476-108611 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + 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(a)(1)) -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 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of the required periodic payments including both interest and principal payments. + 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 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition Amount of the required periodic payments applied to interest. + 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 + Details
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- Definition Amount of the required periodic payments applied to principal. + 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 + Details
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- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13495-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313 + 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 Aggregate amount of interest paid or due on all long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.8) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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 + 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 The effective interest rate at the end of the reporting period. + 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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