Income Taxes Related to (Loss) Income from Operations before Loss in Equity Interests Differ from Amount Computed Using Federal Statutory Income Tax Rate (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Line Items]
Income taxes at Federal statutory rate									$ (111,655)	$ 9,598	$ 9,195
State income taxes, net of Federal income tax effect									(13,767)	1,152	217
Foreign tax rate differences									308	3,510	1,655
Change in valuation allowance									20,901	749	9,370
Reversals of accrued income tax									(1,143)	(12,391)	(28,814)
Interest expense on tax liabilities, net of reversals									710	(189)	(3,517)
Earnings not indefinitely reinvested										676	1,303
Non-deductible compensation and other expenses									952	1,506	1,095
Effect of foreign partnerships and joint venture									4,090
Tax effect of restructuring items											(21,754)
Effect of intercompany loans									392	250	(1,728)
Non-deductible goodwill impairment									65,938
Research and experimentation tax credit									(2,017)
Sale of noncontrolling interest										18,143
(Benefit from) provision for income taxes	$ (45,503)	$ 1,934	$ 1,615	$ 6,663	$ 28,157	$ 4,480	$ 2,366	$ (11,999)	$ (35,291)	$ 23,004	$ (32,978)