Summary of Significant Accounting Policies - Inventories (Details)	12 Months Ended
Dec. 31, 2017
Inventories
Inventory adjustment, usage period	12 months

Represents the preceding period for which usage is taken into consideration in calculating adjustments to bring the carrying value of inventory to the lower of cost or market.

No definition available.

Name:	brkr_InventoryAdjustmentUsagePeriod
Namespace Prefix:	brkr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration