Segment Information - Summary of Revenue and Long Lived Assets by Geographical Areas (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Principal Transaction Revenue [Line Items]
Sales	$ 127,170	$ 178,229	$ 249,646	$ 287,756	$ 119,938	$ 147,906	$ 281,123	$ 285,098	$ 842,801	$ 834,065	$ 886,528
Long-Lived Assets (excluding deferred tax assets)	239,961				248,730				239,961	248,730	306,396
United States
Principal Transaction Revenue [Line Items]
Sales									401,478	392,087	419,448
Long-Lived Assets (excluding deferred tax assets)	206,111				212,438				206,111	212,438	268,376
Europe
Principal Transaction Revenue [Line Items]
Sales									121,477	120,160	133,572
Long-Lived Assets (excluding deferred tax assets)	7,905				7,969				7,905	7,969	7,313
Japan
Principal Transaction Revenue [Line Items]
Sales									161,598	157,315	149,768
Long-Lived Assets (excluding deferred tax assets)	6,491				6,897				6,491	6,897	8,386
Rest Of Asia
Principal Transaction Revenue [Line Items]
Sales									84,073	75,035	82,746
Long-Lived Assets (excluding deferred tax assets)	3,627				4,265				3,627	4,265	4,581
Other Foreign Countries
Principal Transaction Revenue [Line Items]
Sales									74,175	89,468	100,994
Long-Lived Assets (excluding deferred tax assets)	$ 15,827				$ 17,161				$ 15,827	$ 17,161	$ 17,740