Fair Value Measurements - Schedule Of Assets And Liabilities Measured At Fair Value On Recurring Basis (Details) (USD $) | Sep. 30, 2014 | Dec. 31, 2013 |
In Thousands, unless otherwise specified |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Total | $26,416 | | $10,106 | |
Certificates of Deposit [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | 1,101 | | 1,070 | |
Short-Term Bond Mutual Funds [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | 23,917 | | 7,985 | |
Foreign Exchange Forward Contracts [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | ' | | 44 | |
Liabilities measured at fair value on a recurring basis | ' | | -225 | |
Deferred Compensation Plan Assets [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | 918 | [1] | 1,007 | [1] |
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Total | 24,835 | | 8,992 | |
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Certificates of Deposit [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | 0 | | 0 | |
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Short-Term Bond Mutual Funds [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | 23,917 | | 7,985 | |
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Foreign Exchange Forward Contracts [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | ' | | 0 | |
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Deferred Compensation Plan Assets [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | 918 | | 1,007 | [1] |
Significant Other Observable Inputs (Level 2) [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Total | 1,581 | | 1,114 | |
Significant Other Observable Inputs (Level 2) [Member] | Certificates of Deposit [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | 1,101 | | 1,070 | |
Significant Other Observable Inputs (Level 2) [Member] | Short-Term Bond Mutual Funds [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | 0 | | 0 | |
Significant Other Observable Inputs (Level 2) [Member] | Foreign Exchange Forward Contracts [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | ' | | 44 | |
Liabilities measured at fair value on a recurring basis | ' | | -225 | |
Significant Other Observable Inputs (Level 2) [Member] | Deferred Compensation Plan Assets [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | 0 | [1] | 0 | [1] |
Significant Unobservable Inputs (Level 3) [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Total | 0 | | 0 | |
Significant Unobservable Inputs (Level 3) [Member] | Certificates of Deposit [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | 0 | | 0 | |
Significant Unobservable Inputs (Level 3) [Member] | Short-Term Bond Mutual Funds [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | 0 | | 0 | |
Significant Unobservable Inputs (Level 3) [Member] | Foreign Exchange Forward Contracts [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | ' | | 0 | |
Significant Unobservable Inputs (Level 3) [Member] | Deferred Compensation Plan Assets [Member] | ' | | ' | |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ' | | ' | |
Assets measured at fair value on a recurring basis | $0 | [1] | $0 | [1] |
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[1] | Recorded as an Other asset with an offsetting liability for the obligation to its employees in Other liabilities. |