Income Taxes - Reconciliation of Federal Statutory Income Tax Rate to Company's Effective Income Tax Rate For Continuing Operations (Detail)	3 Months Ended	6 Months Ended	12 Months Ended
Sep. 30, 2014	Jun. 30, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of the federal statutory income tax rate to the company's effective income tax rate for continuing operations
Federal income tax at statutory rate		35.00%	35.00%	35.00%	35.00%
State income provision			1.40%	1.40%	1.90%
Manufacturing and research incentives			(1.70%)	(1.70%)	(2.90%)
Taxes on foreign income which differ from the U.S. statutory rate			(3.90%)	(2.40%)	(3.20%)
Adjustments for unrecognized tax benefits			0.10%	4.30%	(3.50%)
Adjustments for valuation allowances			(13.80%)	21.50%	(0.30%)
Capital loss generation			0.00%	(41.40%)	0.00%
Business acquisitions & divestitures			4.10%	0.00%	0.00%
Other items			(1.10%)	(2.90%)	0.00%
Effective tax rate	13.70%		20.10%	13.80%	27.00%

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to disposition of a business not qualifying as a discontinued operation.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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