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Segment Information - Summary of Company's Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Dec. 31, 2012
Net sales |  |  |  |  |
Net sales | $ 100,828 | $ 114,206 | $ 311,233 | $ 334,992 |
Income taxes |  |  |  |  |
Income taxes | 2,440 | 4,126 | 8,686 | 11,501 |
Net income |  |  |  |  |
Net income | 6,104 | 9,284 | 17,455 | 24,013 |
ASSETS |  |  |  |  |
Assets | 345,042 |  | 345,042 |  | 333,064
Operating Segments [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Assets | 344,724 |  | 344,724 |  | 332,744
Operating Segments [Member] | PLP-USA [Member] |  |  |  |  |
Net sales |  |  |  |  |
Net sales | 33,763 | 41,291 | 112,297 | 125,650 |
Income taxes |  |  |  |  |
Income taxes | 1,628 | 2,081 | 4,981 | 6,664 |
Net income |  |  |  |  |
Net income | 3,220 | 3,404 | 9,418 | 10,965 |
ASSETS |  |  |  |  |
Assets | 90,447 |  | 90,447 |  | 84,192
Operating Segments [Member] | The Americas [Member] |  |  |  |  |
Net sales |  |  |  |  |
Net sales | 23,507 | 23,791 | 65,672 | 69,844 |
Income taxes |  |  |  |  |
Income taxes | 695 | 824 | 1,696 | 2,337 |
Net income |  |  |  |  |
Net income | 1,457 | 2,292 | 4,476 | 5,738 |
ASSETS |  |  |  |  |
Assets | 77,285 |  | 77,285 |  | 67,745
Operating Segments [Member] | EMEA [Member] |  |  |  |  |
Net sales |  |  |  |  |
Net sales | 14,802 | 18,357 | 47,609 | 50,014 |
Income taxes |  |  |  |  |
Income taxes | 545 | 964 | 1,663 | 2,211 |
Net income |  |  |  |  |
Net income | 1,618 | 3,254 | 4,907 | 6,806 |
ASSETS |  |  |  |  |
Assets | 52,599 |  | 52,599 |  | 51,370
Operating Segments [Member] | Asia-Pacific [Member] |  |  |  |  |
Net sales |  |  |  |  |
Net sales | 28,756 | 30,767 | 85,655 | 89,484 |
Income taxes |  |  |  |  |
Income taxes | (428) | 257 | 346 | 289 |
Net income |  |  |  |  |
Net income | (191) | 334 | (1,346) | 504 |
ASSETS |  |  |  |  |
Assets | 124,393 |  | 124,393 |  | 129,437
Operating Segments [Member] | Corporate Assets [Member] |  |  |  |  |
ASSETS |  |  |  |  |
Assets | 318 |  | 318 |  | 320
Intersegment Eliminations [Member] |  |  |  |  |
Intersegment sales |  |  |  |  |
Intersegment sales | 9,024 | 8,578 | 24,004 | 27,610 |
Intersegment Eliminations [Member] | PLP-USA [Member] |  |  |  |  |
Intersegment sales |  |  |  |  |
Intersegment sales | 4,141 | 1,655 | 9,859 | 6,901 |
Intersegment Eliminations [Member] | The Americas [Member] |  |  |  |  |
Intersegment sales |  |  |  |  |
Intersegment sales | 1,576 | 1,684 | 4,851 | 5,921 |
Intersegment Eliminations [Member] | EMEA [Member] |  |  |  |  |
Intersegment sales |  |  |  |  |
Intersegment sales | 541 | 1,034 | 1,649 | 2,896 |
Intersegment Eliminations [Member] | Asia-Pacific [Member] |  |  |  |  |
Intersegment sales |  |  |  |  |
Intersegment sales | $ 2,766 | $ 4,205 | $ 7,645 | $ 11,892 |

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