Commitments and Contingencies (Detail) - USD ($)
$ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
|
|
| Total contractual obligation |
$ 363,415
|
|
|
| Contractual obligations, Less than one year |
331,177
|
|
|
| Contractual obligations, one to three years |
32,238
|
|
|
| Contractual obligations, three to five years |
0
|
|
|
| Contractual obligations, More than five years |
0
|
|
|
| Provision for legal settlement |
32,000
|
$ 0
|
$ 0
|
| Finished Goods [Member] |
|
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
|
|
| Total contractual obligation |
57,938
|
|
|
| Contractual obligations, Less than one year |
33,314
|
|
|
| Contractual obligations, one to three years |
24,624
|
|
|
| Contractual obligations, three to five years |
0
|
|
|
| Contractual obligations, More than five years |
0
|
|
|
| Raw Materials [Member] |
|
|
|
| Unrecorded Unconditional Purchase Obligation [Line Items] |
|
|
|
| Total contractual obligation |
305,477
|
|
|
| Contractual obligations, Less than one year |
297,863
|
|
|
| Contractual obligations, one to three years |
7,614
|
|
|
| Contractual obligations, three to five years |
0
|
|
|
| Contractual obligations, More than five years |
$ 0
|
|
|