SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2015

Valuation and Qualifying Accounts [Abstract]

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS

(All dollar amounts expressed in millions of U.S. dollars)

	Balance at Beginning of Year		Charged to Costs and Expenses		Charged to Other Accounts		Deductions			Balance at End of Year
Year ended December 31, 2015
Allowance for doubtful accounts	$	35.9	$	38.9	$	6.2	$	(13.7	)	$	67.3
Deferred tax asset valuation allowance	$	859.2	$	343.3	$	164.1	$	—		$	1,366.6
Year ended December 31, 2014
Allowance for doubtful accounts	$	27.6	$	5.2	$	7.9	$	(4.8	)	$	35.9
Deferred tax asset valuation allowance	$	477.6	$	272.6	$	109.0	$	—		$	859.2
Year ended December 31, 2013
Allowance for doubtful accounts	$	12.5	$	5.8	$	10.2	$	(0.9	)	$	27.6
Deferred tax asset valuation allowance	$	124.5	$	214.1	$	139.0	$	—		$	477.6

With respect to the deferred tax valuation allowance, the amounts in 2015 and 2014 charged to other accounts relates primarily to foreign currency fluctuations on debt. The amount in 2013 charged to other accounts relates primarily to valuation allowances assumed as part of acquisitions consummated during the year, with the most significant contributor being the B&L Acquisition.