Allowances For Doubtful Accounts (Changes In The Allowance For Doubtful Accounts) (Detail) (Allowance for Doubtful Accounts [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2009	Dec. 31, 2011 Restated [Member]	Dec. 31, 2010 Restated [Member]
Valuation Allowance [Line Items]
Balance, beginning of year	$ 11,768	$ 20,863	$ 10,066
Effect of FX movement on opening balance	454	(2,725)	1,770
Change in provision for bad debts - reported in statement of operations	5,194	6,372	9,027
Charge-offs, net of recoveries	(7,350)	0	0
Balance, end of year	$ 10,066	$ 24,510	$ 20,863