Accounts Receivable, Net of Allowances (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	$ 41.5
Greater than 365 days past due	7.7
Spain
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	8.9
Greater than 365 days past due	0.1
Italy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	18.9
Greater than 365 days past due	2.0
Greece
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	9.9
Greater than 365 days past due	3.9
Portugal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	3.8
Greater than 365 days past due	$ 1.7