Venezuela Currency Remeasurement - Narrative (Detail) $ in Millions	3 Months Ended		36 Months Ended
	Mar. 31, 2016	Mar. 31, 2015 USD ($) VEF / $	Dec. 31, 2015	Dec. 31, 2014 VEF / $	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Apr. 29, 2015	Mar. 31, 2014 VEF / $
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]
Gain (loss) on foreign currency transaction and translation, pre-tax | $		$ (29.9)
Devaluation of Venezuelan Bolivar
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]
Maximum three year cumulative inflation using the blended Consumer Price Index and National Consumer Price Index			100.00%	100.00%	100.00%	100.00%	100.00%	100.00%
Foreign currency exchange rate | VEF / $										6.3
Devaluation of Venezuelan Bolivar | SICAD 1
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]
Foreign currency exchange rate | VEF / $				12.0
Devaluation of Venezuelan Bolivar | SICAD 2
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]
Foreign currency exchange rate | VEF / $				50.0
Devaluation of Venezuelan Bolivar | SIMADI
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]
Foreign currency exchange rate | VEF / $		193
Gain (loss) on foreign currency transaction and translation, pre-tax | $		$ 29.9
Gain (loss) on foreign currency transaction and translation, after tax | $		26.3
Devaluation of Venezuelan Bolivar | SIMADI | Noncontrolling Interests
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]
Gain (loss) on foreign currency transaction and translation, pre-tax | $		$ 10.3
International | 2015 Disposition
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]
Sale of equity interest date	Apr. 29, 2015
International | 2015 Disposition | Venezuelan Operating Entity
Financial Statement Line Items With Differences In Reported Amount And Reporting Currency Denominated Amounts [Line Items]
Joint venture, ownership percentage									50.10%