BORROWING ARRANGEMENTS	12 Months Ended
Dec. 31, 2013
Debt Disclosure [Abstract]
BORROWING ARRANGEMENTS	BORROWING ARRANGEMENTS Senior Secured Revolving Credit Facility On December 6, 2013, the Company entered into a five-year $300.0 million, senior secured revolving credit facility (the “Facility”), the terms of which are set forth in a Credit Agreement (the “Credit Agreement”) among the Company, a group of lenders led by Morgan Stanley Senior Funding, Inc., as administrative agent, and Union Bank N.A., BNP Paribas and SunTrust Bank as co-syndication agents. The Company may increase the aggregate availability under the Facility through a customary “accordion” feature in an amount not to exceed $250.0 million. The Company recorded debt issuance costs of $2.1 million associated with the Facility that will amortize over the expected life of the Facility. Borrowings under the Facility will be available for general corporate purposes, including working capital, stock repurchases, acquisitions and other purposes. Amounts outstanding under the Facility are due on the earlier of December 6, 2018 or 180 days prior to the maturity date of any Permitted Convertible Notes (as defined in the Credit Agreement) if, in the latter case, the Company does not otherwise have available sufficient unrestricted cash and other investments to redeem the Permitted Convertible Notes. The Company may prepay loans under the Credit Agreement at any time, in whole or in part, upon payment of accrued interest and break funding payments, if applicable. The Company may terminate or reduce the Facility at any time without penalty. The obligations under the Facility are guaranteed by certain domestic subsidiaries of the Company, are secured by a pledge of substantially all of the assets of the Company and the guarantors, and contains affirmative, negative and financial covenants. Affirmative covenants include, among other things, the delivery of financial statements and other information. Negative covenants include, among other things, limitations on asset sales, mergers and acquisitions, indebtedness, liens, investments and transactions with affiliates. The financial covenants require the Company to maintain compliance with a maximum total leverage ratio, a maximum senior secured leverage ratio and a minimum fixed charge coverage ratio. The Credit Agreement includes customary events of default that include, among other things, non-payment defaults, inaccuracy of representations and warranties, covenant defaults, cross default to material indebtedness, bankruptcy and insolvency defaults, material judgment defaults, ERISA defaults and a change of control default. The occurrence of an event of default could result in an acceleration of obligations under the Credit Agreement. At December 31, 2013, there were no outstanding borrowings under the Facility and the Company was in compliance with all financial covenants of the Credit Agreement. Other Long-Term Debt The Company had long-term debt obligations amounting to $7.0 million and $5.6 million as of December 31, 2013 and 2012, respectively, relating to an amount previously advanced from a foreign government which is repayable in 2015. The balance is increased on a quarterly basis as a result of interest accretion. The repayment amount is expected to be approximately $9.6 million in 2015.

BORROWING ARRANGEMENTS

Senior Secured Revolving Credit Facility

On December 6, 2013, the Company entered into a five-year $300.0 million, senior secured revolving credit facility (the “Facility”), the terms of which are set forth in a Credit Agreement (the “Credit Agreement”) among the Company, a group of lenders led by Morgan Stanley Senior Funding, Inc., as administrative agent, and Union Bank N.A., BNP Paribas and SunTrust Bank as co-syndication agents. The Company may increase the aggregate availability under the Facility through a customary “accordion” feature in an amount not to exceed $250.0 million. The Company recorded debt issuance costs of $2.1 million associated with the Facility that will amortize over the expected life of the Facility.

Borrowings under the Facility will be available for general corporate purposes, including working capital, stock repurchases, acquisitions and other purposes. Amounts outstanding under the Facility are due on the earlier of December 6, 2018 or 180 days prior to the maturity date of any Permitted Convertible Notes (as defined in the Credit Agreement) if, in the latter case, the Company does not otherwise have available sufficient unrestricted cash and other investments to redeem the Permitted Convertible Notes.

The Company may prepay loans under the Credit Agreement at any time, in whole or in part, upon payment of accrued interest and break funding payments, if applicable. The Company may terminate or reduce the Facility at any time without penalty. The obligations under the Facility are guaranteed by certain domestic subsidiaries of the Company, are secured by a pledge of substantially all of the assets of the Company and the guarantors, and contains affirmative, negative and financial covenants. Affirmative covenants include, among other things, the delivery of financial statements and other information. Negative covenants include, among other things, limitations on asset sales, mergers and acquisitions, indebtedness, liens, investments and transactions with affiliates. The financial covenants require the Company to maintain compliance with a maximum total leverage ratio, a maximum senior secured leverage ratio and a minimum fixed charge coverage ratio. The Credit Agreement includes customary events of default that include, among other things, non-payment defaults, inaccuracy of representations and warranties, covenant defaults, cross default to material indebtedness, bankruptcy and insolvency defaults, material judgment defaults, ERISA defaults and a change of control default. The occurrence of an event of default could result in an acceleration of obligations under the Credit Agreement. At December 31, 2013, there were no outstanding borrowings under the Facility and the Company was in compliance with all financial covenants of the Credit Agreement.

Other Long-Term Debt

The Company had long-term debt obligations amounting to $7.0 million and $5.6 million as of December 31, 2013 and 2012, respectively, relating to an amount previously advanced from a foreign government which is repayable in 2015. The balance is increased on a quarterly basis as a result of interest accretion. The repayment amount is expected to be approximately $9.6 million in 2015.