Accounts Receivable, Net of Allowances (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	$ 61.5
Greater than 365 days past due	8.9
Spain
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	20.2
Greater than 365 days past due	1.8
Italy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	26.2
Greater than 365 days past due	2.4
Greece
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	11.4
Greater than 365 days past due	3.2
Portugal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	3.7
Greater than 365 days past due	$ 1.5