Debt - Additional Information (Detail) In Thousands, unless otherwise specified	3 Months Ended						3 Months Ended
	Mar. 31, 2015	Mar. 31, 2015 Federal Funds Rate Minimum	Mar. 31, 2015 Federal Funds Rate Maximum	Mar. 31, 2015 Revolving Credit Facility USD ($)	Mar. 31, 2015 US Term Note USD ($)	Mar. 31, 2015 Europe Term Loan EUR (€)	Mar. 31, 2015 United State Bank Of America Credit Facility	Mar. 31, 2015 Euro Currency Rate Loans	Mar. 31, 2015 Euro Currency Rate Loans Minimum	Mar. 31, 2015 Euro Currency Rate Loans Maximum	Mar. 31, 2015 Base Rate Loans Minimum	Mar. 31, 2015 Base Rate Loans Maximum
Debt Instrument [Line Items]
Secured term loan facility borrowing capacity					$ 50,000	€ 20,000
Secured long-term debt				100,000
Line of credit facility				$ 50,000
Maximum percentage of stock of non US subsidiaries pledge to secure obligation	66.00%
Interest rate		0.06%	0.50%				3.25%	1.00%	1.50%	2.00%	0.50%	1.00%
Semi-annual principal payments earliest date	2015-03
Semi-annual principal payments latest date	2019-09