Accounts Receivable, Net of Allowances (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	$ 42.1
Greater than 365 days past due	7.6
Spain
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	11.2
Greater than 365 days past due	0.1
Italy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	17.5
Greater than 365 days past due	2.1
Greece
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	9.8
Greater than 365 days past due	4.1
Portugal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	3.6
Greater than 365 days past due	$ 1.3