Quarterly report pursuant to Section 13 or 15(d)

Foreign Currency Translation (Details)

v2.4.1.9
Foreign Currency Translation (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Revenue from external customers    
Net sales $ 92,691us-gaap_Revenues $ 71,730us-gaap_Revenues
Canadian operations    
Revenue from external customers    
Net sales $ 5,600us-gaap_Revenues
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= us-gaap_SubsidiariesMember
$ 5,600us-gaap_Revenues
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember