Financing Arrangements	3 Months Ended
Mar. 31, 2015
Debt Disclosure [Abstract]
Financing Arrangements	Note 2. Financing Arrangements In addition to cash on hand, as well as cash generated from operations, the Company relies on its asset-based revolving credit facilities to manage seasonal fluctuations in liquidity and to provide additional liquidity when the Company’s operating cash flows are not sufficient to fund the Company’s requirements. The Company’s ability to generate sufficient positive cash flows from operations is subject to many risks and uncertainties, including future economic trends and conditions, the success of the Company’s multi-year turnaround, demand for the Company’s products, foreign currency exchange rates and the other risks and uncertainties applicable to the Company and its business. If the Company is unable to generate sufficient cash flows to fund its business and is unable to reduce its manufacturing costs and operating expenses to offset such shortfall, the Company will need to increase its reliance on its credit facilities for needed liquidity. If the Company’s current credit facilities are not available or sufficient and the Company is not able to secure alternative financing arrangements, the Company’s future operations would be materially adversely affected. The Company believes that its current credit facilities, along with its cash on hand and cash flows expected to be generated from operations, are sufficient to meet the Company’s liquidity requirements for at least the next 12 months. Asset-Based Revolving Credit Facility The Company has a Loan and Security Agreement with Bank of America N.A. (as amended, the “ABL Facility”), which provides a senior secured asset-based revolving credit facility of up to $230,000,000, comprised of a $160,000,000 U.S. facility, a $25,000,000 Canadian facility and a $45,000,000 United Kingdom facility, in each case subject to borrowing base availability under the applicable facility. The amounts outstanding under the ABL Facility are secured by certain assets, including cash (to the extent pledged by the Company), inventory and accounts receivable of the Company’s subsidiaries in the United States, Canada and the United Kingdom. As of March 31, 2015, the Company had $81,000,000 outstanding under the ABL Facility, $1,101,000 in outstanding letters of credit, and $23,236,000 in cash and cash equivalents. The maximum amount of additional indebtedness (as defined by the ABL Facility) that could have been outstanding on March 31, 2015, after outstanding borrowings and letters of credit was approximately $99,532,000, resulting in total available liquidity of $122,768,000. The maximum availability under the ABL Facility fluctuates with the general seasonality of the business and increases and decreases with changes in the Company’s inventory and accounts receivable balances. The maximum availability is at its highest during the first half of the year when the Company’s inventory and accounts receivable balances are higher and is lower during the second half of the year when the Company's inventory levels decrease and its accounts receivable decrease as a result of cash collections. Average outstanding borrowings during the three months ended March 31, 2015 were $51,197,000, and average available liquidity, defined as cash on hand combined with amounts available under the ABL Facility after outstanding borrowings and letters of credit, was approximately $102,738,000. Amounts borrowed under the ABL Facility may be repaid and borrowed as needed. The entire outstanding principal amount (if any) is due and payable at the earlier of (i) the date that is six months prior to the maturity of the Company’s 3.75% Convertible Senior Notes maturing on August 15, 2019 or (ii) June 23, 2019, if a qualifying refinancing of the Company’s 3.75% Convertible Senior Notes due 2019 has occurred at least six months prior to their maturity. The ABL Facility includes certain restrictions including, among other things, restrictions on the incurrence of additional debt, liens, stock repurchases and other restricted payments, asset sales, investments, mergers, acquisitions and affiliate transactions. In addition, the ABL Facility imposes restrictions on the amount the Company could pay in annual cash dividends, including meeting certain restrictions on the amount of additional indebtedness and requirements to maintain a certain fixed charge coverage ratio under certain circumstances. As of March 31, 2015, the Company was in compliance with all covenants of the ABL Facility. Additionally, the Company is subject to compliance with a fixed charge coverage ratio covenant during, and continuing 30 days after, any period in which the Company’s borrowing base availability, as amended, falls below $23,000,000. The Company’s borrowing base availability was above $23,000,000 during the three months ended March 31, 2015, and the Company was in compliance with the fixed charge coverage ratio as of March 31, 2015. Had the Company not been in compliance with the fixed charge coverage ratio as of March 31, 2015, the Company's maximum amount of additional indebtedness that could have been outstanding on March 31, 2015 would have been reduced by $23,000,000. The interest rate applicable to outstanding loans under the ABL Facility fluctuates depending on the Company’s “availability ratio," which is expressed as a percentage of (i) the average daily availability under the ABL Facility to (ii) the sum of the Canadian, the U.K. and the U.S. borrowing bases, as adjusted. The applicable margin for any month will be reduced by 0.25% if the Company’s availability ratio is greater than or equal to 67% and the Company’s “leverage ratio” (as defined below) is less than 4.0 to 1.0 as of the last day of the month for which financial statements have been delivered, so long as no default or event of default exists. The Company’s “leverage ratio” is the ratio of the amount of debt for borrowed money to the twelve-month trailing EBITDA (as defined in the ABL Facility), each determined on a consolidated basis. At March 31, 2015, the Company’s trailing 12 months average interest rate applicable to its outstanding loans under the ABL Facility, including the fees described below, was 4.23%. In addition, the ABL Facility provides for monthly fees ranging from 0.25% to 0.375% of the unused portion of the ABL Facility, depending on the prior month’s average daily balance of revolver loans and stated amount of letters of credit relative to lenders’ commitments. The fees incurred in connection with the origination and amendment of the ABL Facility totaled $4,917,000, which are amortized into interest expense over the term of the ABL Facility agreement. Unamortized fees at March 31, 2015 and December 31, 2014 totaled $2,114,000 and $2,233,000, respectively, of which $497,000 and $496,000 were included in other current assets, respectively, and $1,617,000 and $1,737,000 were included in other assets, respectively, in the accompanying consolidated condensed balance sheets. In January 2015, the Company entered into a separate asset-based loan and guarantee agreement (the "Japan ABL Facility") between its subsidiary in Japan and The Bank of Tokyo-Mitsubishi UFG, Ltd and The Development Bank of Japan. The Company can borrow up to 2 billion Yen (or U.S. $16,980,000, using the exchange rate in effect as of January 23, 2015) over a one-year term, and the amounts outstanding are secured by certain assets, including eligible inventory. The Japan ABL Facility is subject to an effective interest rate of 1.48% and includes certain restrictions including covenants related to certain pledged assets and financial performance metrics. As of March 31, 2015, the total amount outstanding under this facility was $13,318,000. Convertible Senior Notes In August 2012, the Company issued $112,500,000 of 3.75% Convertible Senior Notes (the “convertible notes”). The Company pays interest of 3.75% per year on the principal amount of the convertible notes, payable semiannually in arrears on February 15 and August 15 of each year. The convertible notes mature on August 15, 2019. The Company incurred transactional fees of $3,537,000, which are being amortized into interest expense over the term of the convertible notes. Unamortized transaction fees as of March 31, 2015 and December 31, 2014 were $2,231,000 and $2,358,000, respectively, of which $505,000 was included in other current assets as of both March 31, 2015 and December 31, 2014, and $1,726,000 and $1,853,000 were included in other long-term assets as of March 31, 2015 and December 31, 2014, respectively, in the accompanying consolidated condensed balance sheets. The net carrying amount of the convertible notes as of March 31, 2015 and December 31, 2014 was $108,776,000 and $108,574,000, respectively. The unamortized discount of $3,724,000 as of March 31, 2015 will be amortized to interest expense over the remaining term of approximately 4.4 years. Total interest and amortization expense recognized during the three months ended March 31, 2015 and 2014 was $1,258,000 and $1,236,000, respectively. The convertible notes are convertible, at the option of the note holder, at any time on or prior to the close of business on the business day immediately preceding August 15, 2019, into shares of common stock at an initial conversion rate of 133.3333 shares per $1,000 principal amount of convertible notes, which is equal to an aggregate of 15,000,000 shares of common stock at a conversion price of approximately $7.50 per share, subject to customary anti-dilution adjustments. Upon the occurrence of certain change of control events of the Company, the Company will pay a premium on the convertible notes converted in connection with such change of control events by increasing the conversion rate on such convertible notes. The Company has the right to terminate the right of note holders to convert their convertible notes into shares of the Company's common stock if the volume weighted average price of the Company's common stock is greater than or equal to 130% of the conversion price for at least 20 of 30 consecutive trading days. If the Company exercises such termination right prior to August 15, 2015, each note holder who converts its convertible notes after receiving notice of such exercise will receive a make-whole payment in cash or common stock, as the Company may elect, with respect to the convertible notes converted. Upon the occurrence of a change of control of the Company or a termination of trading of the common stock of the Company, note holders will have the option to require the Company to repurchase for cash all or any portion of such note holder’s convertible notes at a price equal to 100% of the principal amount of the repurchased convertible notes, plus accrued and unpaid interest thereon to the repurchase date. The convertible notes are not redeemable by the Company prior to August 15, 2015. On or after August 15, 2015, the convertible notes are redeemable in whole or in part at the option of the Company at a redemption price equal to 100% of the principal amount of the convertible notes to be redeemed, plus accrued and unpaid interest thereon to the redemption date. The convertible notes contain certain covenants including payment of principal and interest, certain repurchase obligations, obligations of the Company to convert the convertible notes, and other customary covenants as set forth in the Indenture. The Company was in compliance with these covenants as of March 31, 2015.

Note 2. Financing Arrangements

In addition to cash on hand, as well as cash generated from operations, the Company relies on its asset-based revolving credit facilities to manage seasonal fluctuations in liquidity and to provide additional liquidity when the Company’s operating cash flows are not sufficient to fund the Company’s requirements. The Company’s ability to generate sufficient positive cash flows from operations is subject to many risks and uncertainties, including future economic trends and conditions, the success of the Company’s multi-year turnaround, demand for the Company’s products, foreign currency exchange rates and the other risks and uncertainties applicable to the Company and its business. If the Company is unable to generate sufficient cash flows to fund its business and is unable to reduce its manufacturing costs and operating expenses to offset such shortfall, the Company will need to increase its reliance on its credit facilities for needed liquidity. If the Company’s current credit facilities are not available or sufficient and the Company is not able to secure alternative financing arrangements, the Company’s future operations would be materially adversely affected. The Company believes that its current credit facilities, along with its cash on hand and cash flows expected to be generated from operations, are sufficient to meet the Company’s liquidity requirements for at least the next 12 months.

Asset-Based Revolving Credit Facility

The Company has a Loan and Security Agreement with Bank of America N.A. (as amended, the “ABL Facility”), which provides a senior secured asset-based revolving credit facility of up to $230,000,000, comprised of a $160,000,000 U.S. facility, a $25,000,000 Canadian facility and a $45,000,000 United Kingdom facility, in each case subject to borrowing base availability under the applicable facility. The amounts outstanding under the ABL Facility are secured by certain assets, including cash (to the extent pledged by the Company), inventory and accounts receivable of the Company’s subsidiaries in the United States, Canada and the United Kingdom.

As of March 31, 2015, the Company had $81,000,000 outstanding under the ABL Facility, $1,101,000 in outstanding letters of credit, and $23,236,000 in cash and cash equivalents. The maximum amount of additional indebtedness (as defined by the ABL Facility) that could have been outstanding on March 31, 2015, after outstanding borrowings and letters of credit was approximately $99,532,000, resulting in total available liquidity of $122,768,000. The maximum availability under the ABL Facility fluctuates with the general seasonality of the business and increases and decreases with changes in the Company’s inventory and accounts receivable balances. The maximum availability is at its highest during the first half of the year when the Company’s inventory and accounts receivable balances are higher and is lower during the second half of the year when the Company's inventory levels decrease and its accounts receivable decrease as a result of cash collections. Average outstanding borrowings during the three months ended March 31, 2015 were $51,197,000, and average available liquidity, defined as cash on hand combined with amounts available under the ABL Facility after outstanding borrowings and letters of credit, was approximately $102,738,000. Amounts borrowed under the ABL Facility may be repaid and borrowed as needed. The entire outstanding principal amount (if any) is due and payable at the earlier of (i) the date that is six months prior to the maturity of the Company’s 3.75% Convertible Senior Notes maturing on August 15, 2019 or (ii) June 23, 2019, if a qualifying refinancing of the Company’s 3.75% Convertible Senior Notes due 2019 has occurred at least six months prior to their maturity.

The ABL Facility includes certain restrictions including, among other things, restrictions on the incurrence of additional debt, liens, stock repurchases and other restricted payments, asset sales, investments, mergers, acquisitions and affiliate transactions. In addition, the ABL Facility imposes restrictions on the amount the Company could pay in annual cash dividends, including meeting certain restrictions on the amount of additional indebtedness and requirements to maintain a certain fixed charge coverage ratio under certain circumstances. As of March 31, 2015, the Company was in compliance with all covenants of the ABL Facility. Additionally, the Company is subject to compliance with a fixed charge coverage ratio covenant during, and continuing 30 days after, any period in which the Company’s borrowing base availability, as amended, falls below $23,000,000. The Company’s borrowing base availability was above $23,000,000 during the three months ended March 31, 2015, and the Company was in compliance with the fixed charge coverage ratio as of March 31, 2015. Had the Company not been in compliance with the fixed charge coverage ratio as of March 31, 2015, the Company's maximum amount of additional indebtedness that could have been outstanding on March 31, 2015 would have been reduced by $23,000,000.

The interest rate applicable to outstanding loans under the ABL Facility fluctuates depending on the Company’s “availability ratio," which is expressed as a percentage of (i) the average daily availability under the ABL Facility to (ii) the sum of the Canadian, the U.K. and the U.S. borrowing bases, as adjusted. The applicable margin for any month will be reduced by 0.25% if the Company’s availability ratio is greater than or equal to 67% and the Company’s “leverage ratio” (as defined below) is less than 4.0 to 1.0 as of the last day of the month for which financial statements have been delivered, so long as no default or event of default exists. The Company’s “leverage ratio” is the ratio of the amount of debt for borrowed money to the twelve-month trailing EBITDA (as defined in the ABL Facility), each determined on a consolidated basis. At March 31, 2015, the Company’s trailing 12 months average interest rate applicable to its outstanding loans under the ABL Facility, including the fees described below, was 4.23%.

In addition, the ABL Facility provides for monthly fees ranging from 0.25% to 0.375% of the unused portion of the ABL Facility, depending on the prior month’s average daily balance of revolver loans and stated amount of letters of credit relative to lenders’ commitments.

The fees incurred in connection with the origination and amendment of the ABL Facility totaled $4,917,000, which are amortized into interest expense over the term of the ABL Facility agreement. Unamortized fees at March 31, 2015 and December 31, 2014 totaled $2,114,000 and $2,233,000, respectively, of which $497,000 and $496,000 were included in other current assets, respectively, and $1,617,000 and $1,737,000 were included in other assets, respectively, in the accompanying consolidated condensed balance sheets.

In January 2015, the Company entered into a separate asset-based loan and guarantee agreement (the "Japan ABL Facility") between its subsidiary in Japan and The Bank of Tokyo-Mitsubishi UFG, Ltd and The Development Bank of Japan. The Company can borrow up to 2 billion Yen (or U.S. $16,980,000, using the exchange rate in effect as of January 23, 2015) over a one-year term, and the amounts outstanding are secured by certain assets, including eligible inventory. The Japan ABL Facility is subject to an effective interest rate of 1.48% and includes certain restrictions including covenants related to certain pledged assets and financial performance metrics. As of March 31, 2015, the total amount outstanding under this facility was $13,318,000.

Convertible Senior Notes

In August 2012, the Company issued $112,500,000 of 3.75% Convertible Senior Notes (the “convertible notes”). The Company pays interest of 3.75% per year on the principal amount of the convertible notes, payable semiannually in arrears on February 15 and August 15 of each year. The convertible notes mature on August 15, 2019.

The Company incurred transactional fees of $3,537,000, which are being amortized into interest expense over the term of the convertible notes. Unamortized transaction fees as of March 31, 2015 and December 31, 2014 were $2,231,000 and $2,358,000, respectively, of which $505,000 was included in other current assets as of both March 31, 2015 and December 31, 2014, and $1,726,000 and $1,853,000 were included in other long-term assets as of March 31, 2015 and December 31, 2014, respectively, in the accompanying consolidated condensed balance sheets.

The net carrying amount of the convertible notes as of March 31, 2015 and December 31, 2014 was $108,776,000 and $108,574,000, respectively. The unamortized discount of $3,724,000 as of March 31, 2015 will be amortized to interest expense over the remaining term of approximately 4.4 years. Total interest and amortization expense recognized during the three months ended March 31, 2015 and 2014 was $1,258,000 and $1,236,000, respectively.

The convertible notes are convertible, at the option of the note holder, at any time on or prior to the close of business on the business day immediately preceding August 15, 2019, into shares of common stock at an initial conversion rate of 133.3333 shares per $1,000 principal amount of convertible notes, which is equal to an aggregate of 15,000,000 shares of common stock at a conversion price of approximately $7.50 per share, subject to customary anti-dilution adjustments. Upon the occurrence of certain change of control events of the Company, the Company will pay a premium on the convertible notes converted in connection with such change of control events by increasing the conversion rate on such convertible notes.

The Company has the right to terminate the right of note holders to convert their convertible notes into shares of the Company's common stock if the volume weighted average price of the Company's common stock is greater than or equal to 130% of the conversion price for at least 20 of 30 consecutive trading days. If the Company exercises such termination right prior to August 15, 2015, each note holder who converts its convertible notes after receiving notice of such exercise will receive a make-whole payment in cash or common stock, as the Company may elect, with respect to the convertible notes converted.

Upon the occurrence of a change of control of the Company or a termination of trading of the common stock of the Company, note holders will have the option to require the Company to repurchase for cash all or any portion of such note holder’s convertible notes at a price equal to 100% of the principal amount of the repurchased convertible notes, plus accrued and unpaid interest thereon to the repurchase date.

The convertible notes are not redeemable by the Company prior to August 15, 2015. On or after August 15, 2015, the convertible notes are redeemable in whole or in part at the option of the Company at a redemption price equal to 100% of the principal amount of the convertible notes to be redeemed, plus accrued and unpaid interest thereon to the redemption date.

The convertible notes contain certain covenants including payment of principal and interest, certain repurchase obligations, obligations of the Company to convert the convertible notes, and other customary covenants as set forth in the Indenture. The Company was in compliance with these covenants as of March 31, 2015.