Income Taxes (Pre-Tax Income and Applicable Tax Rates) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Pre-Tax Income and Applicable Tax Rates [Line Items]
Domestic	$ 5,497	$ 6,604	$ 12,043
Pre-tax income, Foreign	64,655	71,425	61,452
Total	70,152	78,029	73,495
Statutory tax rate	35.00%	35.00%	35.00%
United States [Member]
Pre-Tax Income and Applicable Tax Rates [Line Items]
Domestic	5,497
Statutory tax rate	35.00%
Canada
Pre-Tax Income and Applicable Tax Rates [Line Items]
Pre-tax income, Foreign	1,344
Statutory tax rate	30.50%
Latin America [Member]
Pre-Tax Income and Applicable Tax Rates [Line Items]
Pre-tax income, Foreign	966
Statutory tax rate	34.00%
Australia
Pre-Tax Income and Applicable Tax Rates [Line Items]
Pre-tax income, Foreign	4,579
Statutory tax rate	30.00%
Singapore [Member]
Pre-Tax Income and Applicable Tax Rates [Line Items]
Pre-tax income, Foreign	17,523
Statutory tax rate	10.00%
New Zealand
Pre-Tax Income and Applicable Tax Rates [Line Items]
Pre-tax income, Foreign	485
Statutory tax rate	28.00%
India [Member]
Pre-Tax Income and Applicable Tax Rates [Line Items]
Pre-tax income, Foreign	31,387
Statutory tax rate	0.00%
Europe (United Kingdom)
Pre-Tax Income and Applicable Tax Rates [Line Items]
Pre-tax income, Foreign	1,360
Statutory tax rate	24.00%
Sweden
Pre-Tax Income and Applicable Tax Rates [Line Items]
Pre-tax income, Foreign	$ 7,011
Statutory tax rate	0.00%