Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Business Combination (Schedule of Adjustment of Supplemental Pro Forma Information) (Details)

v2.4.0.8
Business Combination (Schedule of Adjustment of Supplemental Pro Forma Information) (Details) (Makerbot [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Makerbot [Member]
       
Business Acquisition [Line Items]        
Increase in amortization of intangibles $ (3,779) $ (5,889) $ (13,841) $ (17,667)
Adjust performance bonus expenses 1,597 (4,391) (5,001) (17,169)
Adjust expenses related to business combination (deal fees, inventory, interest and deferred revenues step-up) 3,069 (1,986) 8,508 (9,621)
Adjust taxes related to the adjustments to the supplemental pro forma 1,118 4,890 6,672 16,624
Total pro forma information adjustments $ 2,005 $ (7,376) $ (3,662) $ (27,833)