Financial Instruments - Additional Information (Detail) (USD $)	12 Months Ended									0 Months Ended
	Dec. 31, 2013 Distributor	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Fair Value, Inputs, Level 2	Dec. 31, 2012 Fair Value, Inputs, Level 2	Dec. 31, 2013 Fair Value, Measurements, Recurring Fair Value, Inputs, Level 3	Dec. 31, 2012 Fair Value, Measurements, Recurring Fair Value, Inputs, Level 3	Dec. 31, 2013 Option currency contracts	Dec. 31, 2012 Option currency contracts	Dec. 20, 2010 Interest rate swap contract	Dec. 31, 2013 Interest rate swap contract
Derivative [Line Items]
Notional value of derivative contracts								$ 148,900,000	$ 128,100,000	$ 250,000,000
Fixed-rate notes interest percentage										2.875%	2.875%
Fixed-rate notes due date										2016
Fair value of contingent consideration						95,700,000	77,100,000
Fair value of long-term debt				1,435,400,000	1,532,200,000
Greek bonds received in settlement of accounts receivable	0	0	16,800,000
Impairment charges for bonds	0	0	11,500,000
Percentage of sales to distributors accounted for company net sales	37.00%
Percentage of distributors' sale accounted by five largest distributors	64.00%
Percentage of net sales accounted by one large distributor	9.00%	9.00%	9.00%
Number of largest distributors accounting for distributors sales	5
Gross receivables from a distributor	$ 35,800,000	$ 40,900,000