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Segment Information - Summary of Company's Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Net sales
Net sales	$ 111,716	$ 111,940	$ 210,405	$ 220,786
Intersegment sales
Intersegment sales	6,810	10,074	14,980	19,032
Income taxes
Income taxes	4,294	3,317	6,246	7,375
Net income
Net income	6,386	6,596	11,351	14,729
ASSETS
Assets	335,021		335,021		333,064
Operating Segments [Member]
ASSETS
Assets	334,703		334,703		332,744
Operating Segments [Member] | PLP-USA [Member]
Net sales
Net sales	39,111	43,197	78,534	84,359
Income taxes
Income taxes	1,895	1,947	3,353	4,583
Net income
Net income	2,812	3,328	6,198	7,561
ASSETS
Assets	88,719		88,719		84,192
Operating Segments [Member] | The Americas [Member]
Net sales
Net sales	22,748	22,151	42,165	46,053
Income taxes
Income taxes	760	612	1,001	1,513
Net income
Net income	2,340	1,352	3,019	3,446
ASSETS
Assets	68,404		68,404		67,745
Operating Segments [Member] | EMEA [Member]
Net sales
Net sales	18,918	17,779	32,807	31,657
Income taxes
Income taxes	659	820	1,118	1,247
Net income
Net income	1,913	1,932	3,289	3,552
ASSETS
Assets	50,366		50,366		51,370
Operating Segments [Member] | Asia-Pacific [Member]
Net sales
Net sales	30,939	28,813	56,899	58,717
Income taxes
Income taxes	980	(62)	774	32
Net income
Net income	(679)	(16)	(1,155)	170
ASSETS
Assets	127,214		127,214		129,437
Operating Segments [Member] | Corporate assets [Member]
ASSETS
Assets	318		318		320
Intersegment Eliminations [Member] | PLP-USA [Member]
Intersegment sales
Intersegment sales	3,000	2,355	5,718	5,246
Intersegment Eliminations [Member] | The Americas [Member]
Intersegment sales
Intersegment sales	1,341	2,029	3,275	4,237
Intersegment Eliminations [Member] | EMEA [Member]
Intersegment sales
Intersegment sales	2,172	930	4,879	1,862
Intersegment Eliminations [Member] | Asia-Pacific [Member]
Intersegment sales
Intersegment sales	$ 297	$ 4,760	$ 1,108	$ 7,687

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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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