Fair Value Measurements Unobservable Inputs Reconciliation - Assets (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2014
Foreign Exchange Contract
Not Designated as Hedging Instrument
|
Dec. 31, 2013
Foreign Exchange Contract
Not Designated as Hedging Instrument
|
Mar. 31, 2013
Foreign Exchange Contract
Not Designated as Hedging Instrument
|
Dec. 31, 2012
Foreign Exchange Contract
Not Designated as Hedging Instrument
|
Mar. 31, 2014
Silver, Ounces, Copper Contracts
Commodity Contract
Designated as Hedging Instrument
oz
|
Mar. 31, 2014
WebBank
|
Dec. 31, 2013
WebBank
|
Dec. 31, 2013
Other Current Liabilities
Commodity Contract
Not Designated as Hedging Instrument
|
Mar. 31, 2014
Undisbursed Loan Commitment
Other Current Liabilities
WebBank
|
Dec. 31, 2013
Undisbursed Loan Commitment
Other Current Liabilities
WebBank
|
Mar. 31, 2014
Selling, General and Administrative Expenses
Undisbursed Loan Commitment
|
Mar. 31, 2013
Selling, General and Administrative Expenses
Undisbursed Loan Commitment
|
Mar. 31, 2014
Fair Value, Measurements, Recurring
Level 3
|
Mar. 31, 2013
Fair Value, Measurements, Recurring
Level 3
|
Mar. 31, 2014
Fair Value, Measurements, Recurring
Level 3
Foreign Exchange Contract
|
Dec. 31, 2013
Fair Value, Measurements, Recurring
Level 3
Foreign Exchange Contract
|
Mar. 31, 2014
Fair Value, Measurements, Recurring
Level 3
Investments in Associated Companies
|
Mar. 31, 2013
Fair Value, Measurements, Recurring
Level 3
Investments in Associated Companies
|
Mar. 31, 2014
Fair Value, Measurements, Recurring
Level 3
Other Investments - Related Party
|
Mar. 31, 2013
Fair Value, Measurements, Recurring
Level 3
Other Investments - Related Party
|
Mar. 31, 2014
Fair Value, Measurements, Recurring
Level 3
ModusLink Warrants
|
Mar. 31, 2013
Fair Value, Measurements, Recurring
Level 3
ModusLink Warrants
|
Mar. 31, 2014
Fair Value, Measurements, Recurring
Level 3
Marketable Securities and Other
|
Mar. 31, 2013
Fair Value, Measurements, Recurring
Level 3
Marketable Securities and Other
|
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Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | |||||||||||||||||||||||||||||||||||||||||||||||
Balance at beginning of period | $ 42,512 | $ 24,588 | $ 2,243 | [1] | $ 10,521 | [1] | $ 10,228 | [2] | $ 11,263 | [2] | $ 5,832 | [3] | $ 0 | [3] | $ 24,209 | [4] | $ 2,804 | [4] | |||||||||||||||||||||||||||||
Purchases | 5,299 | 23,084 | 0 | [1] | 0 | [1] | 0 | [2] | 0 | [2] | 0 | [3] | 3,184 | [3] | 5,299 | [4] | 19,900 | [4] | |||||||||||||||||||||||||||||
Sales | (1,974) | 0 | 0 | [1] | 0 | [1] | 0 | [2] | 0 | [2] | 0 | [3] | 0 | [3] | (1,974) | [4] | 0 | [4] | |||||||||||||||||||||||||||||
Realized gain on sale | 0 | 0 | [1] | 0 | [2] | 0 | [3] | 0 | [4] | ||||||||||||||||||||||||||||||||||||||
Unrealized gains | 2,956 | 1,160 | 0 | [1] | 0 | [1] | 99 | [2] | 1,118 | [2] | 0 | [3] | 0 | [3] | 2,857 | [4] | 42 | [4] | |||||||||||||||||||||||||||||
Unrealized losses | (2,660) | (5,426) | (112) | [1] | (5,239) | [1] | (101) | [2] | (49) | [2] | (2,447) | [3] | (138) | [3] | 0 | [4] | 0 | [4] | |||||||||||||||||||||||||||||
Balance at end of period | 46,133 | 43,406 | 2,131 | [1] | 5,282 | [1] | 10,226 | [2] | 12,332 | [2] | 3,385 | [3] | 3,046 | [3] | 30,391 | [4] | 22,746 | [4] | |||||||||||||||||||||||||||||
Derivative [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||
Undisbursed loan commitment | 22,029 | 28,011 | |||||||||||||||||||||||||||||||||||||||||||||
Amount | 600,000 | ||||||||||||||||||||||||||||||||||||||||||||||
Derivative instruments, liabilities | 25,285 | [5] | 25,090 | 23,150 | [5] | 24,742 | 158 | [6] | 0 | 0 | |||||||||||||||||||||||||||||||||||||
Loss Contingency Accrual | 465 | 465 | |||||||||||||||||||||||||||||||||||||||||||||
Credit Loss Exposure Expense (Benefit) | $ 0 | $ 2 | |||||||||||||||||||||||||||||||||||||||||||||
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