Subsequent Event (Details) (Subsequent event, USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Subsequent event
Subsequent event
Expected increase in pension expense in 2015	$ 16
Expected one-time, non-cash pension settlement charge	$ 10

The expected one-time non-cash charge for settlement of a portion of a defined benefit pension plan in the next fiscal year.

No definition available.

Name:	brkr_PensionSettlementExpectedNonCashChargeInNextFiscalYear
Namespace Prefix:	brkr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration