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Fair value of each cash settlement alternative for each freestanding option contract.

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The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity must commit resources to supply goods or services to one or more customers.

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Commitments And Contingencies (Details) $ in Thousands			12 Months Ended
Commitments And Contingencies (Details) $ in Thousands	Sep. 28, 2015 USD ($)	Aug. 23, 2013 lawsuit	Dec. 31, 2015 USD ($) lawsuit	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Rent expense under operating leases			$ 13,960	$ 10,427	$ 6,891
Supply commitments for printer assemblies			50,663	56,620
Total liabilities recorded for earnouts			$ 9,832	$ 9,155
Number of stockholder class action lawsuits \| lawsuit		2	5
Provision for litigation award	$ 11,282		$ 11,282
Alleged actual damages	7,254
Fees and expenses	2,318
Prejudgment interest	$ 1,710
Forecast [Member] \| Put Option [Member]
Aggregate amount to owner upon exercise			$ 8,872