Derivative Financial Instruments - Impact of Derivative Instruments on Consolidated Statement of Operations (Detail) - Cash Flow Hedging [Member] - USD ($)
$ in Thousands |
3 Months Ended |
9 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
| Derivative [Line Items] |
|
|
|
|
| Amount of Gain (Loss) Recognized in AOCI on Derivatives (Effective Portion) |
$ (83)
|
$ (2,869)
|
$ (42)
|
$ (4,286)
|
| Other Income, Net [Member] |
|
|
|
|
| Derivative [Line Items] |
|
|
|
|
| Amount of Gain (Loss) Recognized in Statement of Operations on Derivatives (Ineffective Portion) |
(32)
|
(271)
|
1
|
(577)
|
| Net Sales [Member] |
|
|
|
|
| Derivative [Line Items] |
|
|
|
|
| Amount of Gain (Loss) Reclassified from AOCI into Statement of Operations (Effective Portion) |
|
(1,579)
|
|
(1,094)
|
| Zero Cost Collars [Member] |
|
|
|
|
| Derivative [Line Items] |
|
|
|
|
| Amount of Gain (Loss) Recognized in AOCI on Derivatives (Effective Portion) |
(83)
|
(2,869)
|
(42)
|
(4,286)
|
| Zero Cost Collars [Member] | Other Income, Net [Member] |
|
|
|
|
| Derivative [Line Items] |
|
|
|
|
| Amount of Gain (Loss) Recognized in Statement of Operations on Derivatives (Ineffective Portion) |
$ (32)
|
(271)
|
$ 1
|
(577)
|
| Zero Cost Collars [Member] | Net Sales [Member] |
|
|
|
|
| Derivative [Line Items] |
|
|
|
|
| Amount of Gain (Loss) Reclassified from AOCI into Statement of Operations (Effective Portion) |
|
$ (1,579)
|
|
$ (1,094)
|