Commitments and Contingencies - Additional Information (Detail) In Millions, unless otherwise specified	0 Months Ended					0 Months Ended
	Jul. 01, 2013 Plaintiff	Apr. 23, 2007 Plaintiff	May 31, 2012 USD ($)	Mar. 09, 2010 USD ($)	Jul. 01, 2004 USD ($)	Jul. 23, 2014 Property Damages [Member] EUR (€)	Jul. 23, 2014 Business Interruption [Member] EUR (€)
Contingencies And Commitments [Line Items]
Total damages sought					$ 315
Punitive damages sought					150
Number of plaintiffs re-filed their complaint against ACSS		30
Compensatory damages			48.0	6.7
Number of plaintiffs released their claims against ACSS	18
Claims for estimated damages						€ 11	€ 35