USD ($) | USD ($) | Multi-currency uncommitted shelf facility, U.S. dollar denominated 1 [Member] | Multi-currency uncommitted shelf facility, U.S. dollar denominated 1 [Member] | Multi-currency uncommitted shelf facility, U.S. dollar denominated 2 [Member] | Multi-currency uncommitted shelf facility, U.S. dollar denominated 2 [Member] | Multi-currency uncommitted shelf facility, total U.S. dollar-denominated debt [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 1 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 1 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 1 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 1 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 2 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 2 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 2 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 2 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 3 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 3 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 3 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 3 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 4 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 4 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 4 [Member] | Multi-Currency Uncommitted Shelf Facility, Japanese Yen Denominated 4 [Member] | Multi-currency uncommitted shelf facility, total Japanese yen-denominated debt [Member] | Revolving credit facility 2010 [Member] | Revolving credit facility 2010 [Member] | Revolving Credit facility 2013 [Member] | Revolving Credit facility 2013 [Member] | Revolving Credit Facility 2014 [Member] | Revolving Line Of Credit 364 Day [Member] | Korea Subsidiary Loan [Member] | Korea Subsidiary Loan [Member] | Japan Subsidiary Loan [Member] | Japan Subsidiary Loan [Member] | Japan Subsidiary Loan [Member] |
Repayment terms | ' | ' | 'Notes due July 2016 with annual principal payments that began in July 2010. Paid in full on October 10, 2014. | | ' | 'Notes due January 2017 with annual principal payments that began in January 2011. Paid in full on October 10, 2014. | | ' | ' | 'Notes paid in full on April 30, 2014. | 'Notes paid in full on April 30, 2014. | | ' | | ' | 'Notes due September 2017 with annual principal payments that began in September 2011.Paid in full on October 10, 2014. | 'Notes due September 2017 with annual principal payments that began in September 2011.Paid in full on October 10, 2014. | | ' | ' | 'Notes due January 2017 with annual principal payments that began in January 2011. Paid in full on October 10, 2014. | 'Notes due January 2017 with annual principal payments that began in January 2011. Paid in full on October 10, 2014. | | ' | ' | 'Notes due May 2022 with annual principal payments that begin in May 2016. Paid in full on October 10, 2014. | | 'Notes due May 2022 with annual principal payments that begin in May 2016. Paid in full on October 10, 2014. | | ' | ' | ' | 'Paid in full. | [2] | ' | 'Revolving line of credit. Paid in full on October 10, 2014. | [2] | ' | 'Revolving line of credit. Terminated on October 15, 2014. | ' | 'Notes due December 2014, with a right to extend the term for an additional six months. | ' | 'Paid in full as of October 15, 2014. | 'Paid in full as of October 15, 2014. | ' |