Summary of Significant Accounting Policies and Basis of Presentation - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Accounting Policies [Line Items]
Cash and cash equivalents		$ 144,479	$ 85,700	$ 54,885	$ 58,152
Depreciation expense		16,360	14,930	14,810
Loss from write-off of intangible assets		358
Share based compensation expense		12,316	8,601	3,103
Related deferred tax benefit		3,129	2,006
Additional one-time income tax payment		33,545	24,102	11,097
Scenario forecast
Accounting Policies [Line Items]
Expects to pay withholding tax in Canada one-time tax expense	$ 6,000
Additional one-time income tax payment	$ 30,000
Stock options outstanding under the 1993,1997, 2006 and 2011 Stock Option Plans
Accounting Policies [Line Items]
Share based compensation expense		12,316	8,601	3,103
Related deferred tax benefit		3,787	2,949	419
Production tooling
Accounting Policies [Line Items]
Reimbursable tooling capitalized within prepaid expenses and other current assets		$ 5,174	3,990
Minimum
Accounting Policies [Line Items]
Payment terms of contracts		30 days
Minimum | Production tooling
Accounting Policies [Line Items]
Property plant and equipment, estimated useful life		2 years
Maximum
Accounting Policies [Line Items]
Payment terms of contracts		120 days
Maximum | Production tooling
Accounting Policies [Line Items]
Property plant and equipment, estimated useful life		5 years
Patents
Accounting Policies [Line Items]
Amortization of intangibles		$ 12,751	$ 16,941	$ 17,570
Loss from write-off of intangible assets		$ 317
Concentration of Credit Risk | Accounts receivable | Lear Corporation
Accounting Policies [Line Items]
Percentage of accounts receivable balance		28.00%	27.00%
Concentration of Credit Risk | Accounts receivable | Johnson Controls Inc.
Accounting Policies [Line Items]
Percentage of accounts receivable balance		27.00%	27.00%
Concentration of Credit Risk | Accounts receivable | Faurecia
Accounting Policies [Line Items]
Percentage of accounts receivable balance		5.00%
Concentration of Credit Risk | Accounts receivable | Magna International Inc.
Accounting Policies [Line Items]
Percentage of accounts receivable balance			5.00%
Foreign Jurisdictions
Accounting Policies [Line Items]
Cash and cash equivalents		$ 140,088	$ 81,488