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Financial Instruments | 3 Months Ended
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Mar. 31, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Financial Instruments | 13. Financial Instruments: The Company uses (1) interest rate related derivative instruments to manage its exposure to changes in interest rates on its variable-rate debt instruments, (2) commodity derivatives to manage its exposure to commodity price fluctuations, and (3) foreign currency related derivative instruments to manage its foreign currency exposure to its net investments in certain foreign operations. The Company does not speculate using derivative instruments. By using derivative financial instruments to hedge exposures to changes in interest rates, commodity prices and foreign currency, the Company exposes itself to credit risk and market risk. Credit risk is the failure of the counterparty to perform under the terms of the derivative contract. When the fair value of a derivative contract is an asset, the counterparty owes the Company, which creates credit risk for the Company. When the fair value of a derivative contract is a liability, the Company owes the counterparty and therefore, the Company is not exposed to the counterparty’s credit risk in those circumstances. The Company minimizes counterparty credit risk in derivative instruments by entering into transactions with high quality counterparties. The derivative instruments entered into by the Company do not contain credit-risk-related contingent features. Market risk is the adverse effect on the value of a derivative instrument that results from a change in interest rates, currency exchange rates or commodity prices. The market risk associated with the Company’s derivative instruments is managed by establishing and monitoring parameters that limit the types and degree of market risk that may be undertaken. Use of Derivative Financial Instruments to Manage Commodity Price Risk. The Company is exposed to risks in energy costs due to fluctuations in energy prices, particularly natural gas. The Company has a hedging program in the United States which allows the Company to mitigate exposure to natural gas volatility with natural gas swap agreements. Fair value is determined based on estimated amounts that would be received or paid to terminate the contracts at the reporting date based on quoted market prices of comparable contracts. The respective current and non-current liabilities are recorded in accrued liabilities and other long-term liabilities and the respective current and non-current assets are recorded in prepaid and other current assets and other long-term assets, as applicable, in the Company’s consolidated balance sheet. As the derivatives are designated and qualify as cash flow hedges, the gains or losses on the natural gas swaps are recorded in stockholders’ equity as a component of other comprehensive income (loss) (“OCI”), net of tax. Reclassifications of the gains and losses on natural gas hedges into earnings are recorded in production costs and subsequently charged to cost of goods sold in the consolidated statements of operations in the period in which the associated inventory is sold. The Company’s natural gas swaps have a remaining notional quantity of 3.4 million MMBTU to mitigate commodity price volatility through December 2020. Use of Derivative Financial Instruments to Manage Interest Rate Risk. The Company is exposed to fluctuations in interest rates on its senior secured credit facilities. Changes in interest rates will not affect the market value of such debt but will affect the Company’s interest payments over the term of the loans. Likewise, an increase in interest rates could have a material impact on the Company’s cash flow. The Company hedges the interest rate fluctuations on debt obligations through interest rate cap agreements. The Company records these agreements at fair value as assets or liabilities in its consolidated balance sheet. As the derivatives are designated and qualify as cash flow hedges, the gains or losses on the interest rate cap agreements are recorded in stockholders’ equity as a component of OCI, net of tax. Reclassifications of the gains and losses on the interest rate cap agreements into earnings are recorded as part of interest expense in the consolidated statements of operations as the Company makes its interest payments on the hedged portion of its senior secured credit facilities. Fair value is determined based on estimated amounts that would be received or paid to terminate the contracts at the reporting date based on quoted market prices. In July 2016, the Company entered into interest rate cap agreements, paying a premium of $1,551 to mitigate interest rate volatility from July 2016 through July 2020 by employing varying cap rates, ranging from 1.50% to 3.00%, on $1,000,000 of notional variable-rate debt. The cap rate currently in effect at March 31, 2018 is 2.00%. Use of Derivative Financial Instruments to Manage Foreign Currency Risk. The Company is exposed to risks related to its net investments in foreign operations due to fluctuations in foreign currency exchange rates, particularly between the United States dollar and the Euro. In connection with the February 2018 term loan refinancing (see Note 12 to these condensed consolidated financial statements), the Company entered into multiple cross currency interest rate swap arrangements with an aggregate notional amount of €280,000 ($345,041) to hedge this exposure on the net investments of two of its Euro-denominated subsidiaries. The Company records these swap agreements at fair value as assets or liabilities in its consolidated balance sheet. As the derivatives are designated and qualify as net investment hedges, changes in the fair value of the swaps attributable to changes in the spot exchange rates are recognized in cumulative translation adjustment (“CTA”) within OCI and are held there until the hedged net investments are sold or substantially liquidated. Changes in the fair value of the swaps attributable to the cross currency basis spread are excluded from the assessment of hedge effectiveness and are recorded in current period earnings. Upon such sale or liquidation, the amount recognized in CTA is reclassified to earnings and reported in the same line item as the gain or loss on the liquidation of the net investments. The fair values of derivative instruments held as of March 31, 2018 and December 31, 2017 are shown below:
| Balance sheet location |  | March 31, 2018 |  | December 31, 2017
Derivative assets: |  |  |  |  |
Derivatives designated as cash flow hedges: |  |  |  |  |
Interest rate caps | Prepaid and other current assets |  | $ | 1,039 |  |  | $ | 44 |
Interest rate caps | Other long-term assets |  | 2,857 |  |  | 999 |
|  |  | 3,896 |  |  | 1,043 |
Derivatives designed as net investment hedges: |  |  |  |  |
Cross currency swaps | Prepaid and other current assets |  | 6,327 |  |  | — |
Total derivative assets |  |  | $ | 10,223 |  |  | $ | 1,043 |
Derivative liabilities: |  |  |  |  |
Derivatives designated as cash flow hedges: |  |  |  |  |
Natural gas swaps | Accrued liabilities |  | $ | 246 |  |  | $ | 318 |
Natural gas swaps | Other long-term liabilities |  | 177 |  |  | 130 |
|  |  | 423 |  |  | 448 |
Derivatives designated as net investment hedges: |  |  |  |  |
Cross currency swaps | Other long-term liabilities |  | 15,603 |  |  | — |
Total derivative liabilities |  |  | $ | 16,026 |  |  | $ | 448 |
The following table shows the effect of the Company’s derivative instruments designated as cash flow hedges on accumulated other comprehensive income (loss) (“AOCI”) for the three months ended March 31, 2018 and 2017:
|  |  |  | Three months ended March 31,
|  |  |  | 2018 |  | 2017
|  | Location of gain (loss) reclassified from AOCI into income |  | Amount of gain (loss) recognized in OCI on derivatives |  | Amount of gain (loss) reclassified from AOCI into income |  | Amount of gain (loss) recognized in OCI on derivatives |  | Amount of gain (loss) reclassified from AOCI into income
Interest rate caps |  | Interest (expense) income |  | $ | 2,852 |  |  | $ | (35 | ) |  | $ | (2,311 | ) |  | $ | (2 | )
Natural gas swaps |  | Cost of goods sold |  | 53 |  |  | 28 |  |  | (535 | ) |  | 18 |
|  |  |  | 2,905 |  |  | (7 | ) |  | (2,846 | ) |  | 16 |
The following table shows the effect of the Company’s cash flow hedge accounting on the consolidated statements of operations for the three months ended March 31, 2018 and 2017:
|  | Location and amount of gain (loss) recognized in income on cash flow hedging relationships
|  | Three months ended March 31,
|  | 2018 |  | 2017
|  | Cost of goods sold |  | Interest (expense) income |  | Cost of goods sold |  | Interest (expense) income
Total amounts of income and expense line items presented in the statement of operations in which the effects of cash flow hedges are recorded |  | $ | (288,076 | ) |  | $ | (29,163 | ) |  | $ | (250,219 | ) |  | $ | (46,785 | )
The effects of cash flow hedging: |  |  |  |  |  |  |  |
Gain (loss) on cash flow hedging relationships: |  |  |  |  |  |  |  |
Interest contracts: |  |  |  |  |  |  |  |
Amount of gain (loss) reclassified from AOCI into income |  | — |  |  | (35 | ) |  | — |  |  | (2 | )
Commodity contracts: |  |  |  |  |  |  |  |
Amount of gain (loss) reclassified from AOCI into income |  | 28 |  |  | — |  |  | 18 |  |  | — |
The following table shows the effect of the Company’s net investment hedges on AOCI and the consolidated statements of operations for the three months ended March 31, 2018 and 2017:
| Amount of gain (loss) recognized in OCI on derivative |  | Location of gain (loss) reclassified from AOCI into income |  | Amount of gain (loss) reclassified from AOCI into income |  | Location of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing) |  | Amount of gain (loss) recognized in income on derivative (amount excluded from effectiveness testing)
| Three months ended March 31, |  |  | Three months ended March 31, |  |  | Three months ended March 31,
| 2018 | 2017 |  |  | 2018 | 2017 |  |  | 2018 | 2017
Cross currency swaps | $ | (9,276 | ) | $ | — |  |  | Gain (loss) on sale of subsidiary |  | $ | — |  | $ | — |  |  | Interest (expense) income |  | $ | 1,167 |  | $ | — |
The amount of unrealized losses in AOCI that is expected to be reclassified to the consolidated statement of operations over the next twelve months is $590 as of March 31, 2018.

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -URI http://asc.fasb.org/topic&trid=2229140 + Details
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