Accounts Receivable, Net of Allowances (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	$ 60.6
Greater than 365 days past due	12.1
Spain
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	23.0
Greater than 365 days past due	4.8
Italy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	23.1
Greater than 365 days past due	2.4
Greece
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	10.5
Greater than 365 days past due	3.2
Portugal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	4.0
Greater than 365 days past due	$ 1.7