Deferred Offering Costs (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2011
Deferred Offering Costs
Deferred offering costs to be expensed	$ 3.4

Write-off of amounts previously capitalized as offering costs in an initial public offering of the capital stock.

No definition available.

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Namespace Prefix:	brkr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration