The following tables provide a reconciliation of the components of accumulated other comprehensive (loss) income, net of tax, attributable to The Medicines Company for the three and nine months ended September 30, 2016 and 2015:



	Three Months Ended September 30,
	2016								2015
	Foreign currency translation adjustment			Unrealized (gain) loss on available for sale securities		Total			Foreign currency translation adjustment			Unrealized (gain) loss on available for sale securities		Total
	(in thousands)
Balance at beginning of period	$	(5,414	)	$	—	$	(5,414	)	$	4,433		$	49	$	4,482
Other comprehensive loss before reclassifications	(70		)	—		(70		)	(1,095		)	—		(1,095		)
Amounts reclassified from accumulated other comprehensive income	—			—		—			—			—		—
Total other comprehensive loss	(70		)	—		(70		)	(1,095		)	—		(1,095		)
Balance at end of period	$	(5,484	)	$	—	$	(5,484	)	$	3,338		$	49	$	3,387



	Nine Months Ended September 30,
	2016									2015
	Foreign currency translation adjustment			Unrealized (gain) loss on available for sale securities			Total			Foreign currency translation adjustment		Unrealized (gain) loss on available for sale securities		Total
	(in thousands)
Balance at beginning of period	$	3,924		$	49		$	3,973		$	2,479	$	49	$	2,528
Other comprehensive income before reclassifications	208			—			208			859		—		859
Amounts reclassified from accumulated other comprehensive income^{(1) (2)}	(9,616		)	(49		)	(9,665		)	—		—		—
Total other comprehensive (loss) income	(9,408		)	(49		)	(9,457		)	859		—		859
Balance at end of period	$	(5,484	)	$	—		$	(5,484	)	$	3,338	$	49	$	3,387

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(1)	Amounts were reclassified to other income in the accompanying condensed consolidated statements of operations. There is generally no tax impact related to foreign currency translation adjustments, as earnings are considered permanently reinvested. In addition, there were no material tax impacts related to unrealized gains or losses on available for sale securities in the periods presented.


(2)	See Note 16, “Discontinued Operations,” for a discussion of this reclass of foreign currency translation adjustment.