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Segment Information - Summary of Company's Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Net sales
Net sales	$ 83,220	$ 87,869	$ 161,903	$ 173,659
Income taxes
Income taxes	1,018	786	2,016	982
Net income (loss)
Net income (loss)	2,755	3,680	5,413	3,424
ASSETS
Assets	342,245		342,245		$ 323,370
Operating Segments [Member] | PLP-USA [Member]
Net sales
Net sales	34,183	38,283	68,830	72,413
Income taxes
Income taxes	126	1,314	106	1,094
Net income (loss)
Net income (loss)	(37)	2,796	(157)	1,560
ASSETS
Assets	122,966		122,966		106,854
Operating Segments [Member] | The Americas [Member]
Net sales
Net sales	14,515	14,656	26,969	28,632
Income taxes
Income taxes	694	222	1,240	134
Net income (loss)
Net income (loss)	1,107	499	2,188	313
ASSETS
Assets	64,075		64,075		60,010
Operating Segments [Member] | EMEA [Member]
Net sales
Net sales	14,660	12,811	28,578	27,007
Income taxes
Income taxes	674	206	1,180	734
Net income (loss)
Net income (loss)	1,933	570	3,632	2,369
ASSETS
Assets	52,788		52,788		50,755
Operating Segments [Member] | Asia-Pacific [Member]
Net sales
Net sales	19,862	22,119	37,526	45,607
Income taxes
Income taxes	(476)	(956)	(510)	(980)
Net income (loss)
Net income (loss)	(248)	(185)	(250)	(818)
ASSETS
Assets	102,416		102,416		105,437
Segment Reconciling Items [Member]
Net sales
Net sales	83,220	87,869	161,903	173,659
Income taxes
Income taxes	1,018	786	2,016	982
Net income (loss)
Net income (loss)	2,755	3,680	5,413	3,424
ASSETS
Assets	342,245		342,245		323,056
Intersegment Eliminations [Member]
Intersegment sales
Intersegment sales	5,807	5,611	11,459	12,131
Intersegment Eliminations [Member] | PLP-USA [Member]
Intersegment sales
Intersegment sales	1,965	2,029	4,178	4,859
Intersegment Eliminations [Member] | The Americas [Member]
Intersegment sales
Intersegment sales	1,274	1,321	2,566	2,696
Intersegment Eliminations [Member] | EMEA [Member]
Intersegment sales
Intersegment sales	257	219	656	642
Intersegment Eliminations [Member] | Asia-Pacific [Member]
Intersegment sales
Intersegment sales	2,311	$ 2,042	4,059	$ 3,934
Corporate, Non-Segment [Member]
ASSETS
Assets	$ 0		$ 0		$ 314

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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