Commitments and Contingencies - Additional Information (Detail) € in Millions, $ in Millions		1 Months Ended
	Jul. 21, 2013 EUR (€)	Mar. 25, 2016 USD ($) Plaintiff
Bashkirian Airways [Member]
Contingencies And Commitments [Line Items]
Claims for estimated damages | $		$ 3.7
Number of remaining plaintiffs | Plaintiff		4
Property Damages [Member]
Contingencies And Commitments [Line Items]
Claims for estimated damages	€ 11
Business Interruption [Member]
Contingencies And Commitments [Line Items]
Claims for estimated damages	€ 35