|
Open Contracts (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended |
|---|---|
|
Dec. 31, 2012
|
|
| Derivative [Line Items] | |
| Notional Amounts (in US Dollars) | $ 180,078 |
| Net Unrealized Gain (Loss) | (2,617) |
|
Cash Flow Hedging | Foreign currency contracts | Currency, Australian Dollar
|
|
| Derivative [Line Items] | |
| Notional Amounts (in US Dollars) | 11,210 |
| Net Unrealized Gain (Loss) | (78) |
|
Cash Flow Hedging | Foreign currency contracts | Currency, Canadian Dollar
|
|
| Derivative [Line Items] | |
| Notional Amounts (in US Dollars) | 99,001 |
| Net Unrealized Gain (Loss) | (1,185) |
|
Cash Flow Hedging | Foreign currency contracts | Currency, Euro
|
|
| Derivative [Line Items] | |
| Notional Amounts (in US Dollars) | 3,130 |
| Net Unrealized Gain (Loss) | (70) |
|
Cash Flow Hedging | Foreign currency contracts | Currency, Japanese Yen
|
|
| Derivative [Line Items] | |
| Notional Amounts (in US Dollars) | 49,566 |
| Net Unrealized Gain (Loss) | (1,817) |
|
Cash Flow Hedging | Foreign currency contracts | Currency, Mexican Peso
|
|
| Derivative [Line Items] | |
| Notional Amounts (in US Dollars) | 10,647 |
| Net Unrealized Gain (Loss) | 692 |
|
Cash Flow Hedging | Foreign currency contracts | Currency, Swedish Krone
|
|
| Derivative [Line Items] | |
| Notional Amounts (in US Dollars) | 6,524 |
| Net Unrealized Gain (Loss) | $ (159) |