Fair Value of Financial Instruments (Tables)

3 Months Ended

Apr. 30, 2015

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Carried at Fair Value

Financial assets and liabilities carried at fair value at April 30, 2015 are classified in the table below in one of the three categories described above: 

	Carrying Value		Estimated Fair Value						Total Fair Value
(in millions)			Level 1		Level 2		Level 3
Marketable securities a	$	55.5	$	55.5	$	—	$	—	$	55.5
Time deposits b	39.6		39.6		—		—		39.6
Derivatives designated as hedging instruments:
Precious metal forward contracts c	0.3		—		0.3		—		0.3
Foreign exchange forward contracts c	10.3		—		10.3		—		10.3
Derivatives not designated as hedging instruments:
Foreign exchange forward contracts c	1.0		—		1.0		—		1.0
Total financial assets	$	106.7	$	95.1	$	11.6	$	—	$	106.7

	Carrying Value		Estimated Fair Value						Total Fair Value
(in millions)			Level 1		Level 2		Level 3
Derivatives designated as hedging instruments:
Precious metal forward contracts d	$	4.7	$	—	$	4.7	$	—	$	4.7
Foreign exchange forward contracts d	0.3		—		0.3		—		0.3
Derivatives not designated as hedging instruments:
Foreign exchange forward contracts d	5.0		—		5.0		—		5.0
Total financial liabilities	$	10.0	$	—	$	10.0	$	—	$	10.0

Financial assets and liabilities carried at fair value at April 30, 2014 are classified in the table below in one of the three categories described above:

	Carrying Value		Estimated Fair Value						Total Fair Value
(in millions)			Level 1		Level 2		Level 3
Marketable securities a	$	53.4	$	53.4	$	—	$	—	$	53.4
Time deposits b	21.9		21.9		—		—		21.9
Derivatives designated as hedging instruments:
Precious metal forward contracts c	0.2		—		0.2		—		0.2
Foreign exchange forward contracts c	3.8		—		3.8		—		3.8
Total financial assets	$	79.3	$	75.3	$	4.0	$	—	$	79.3

	Carrying Value		Estimated Fair Value						Total Fair Value
(in millions)			Level 1		Level 2		Level 3
Derivatives designated as hedging instruments:
Precious metal forward contracts d	$	1.1	$	—	$	1.1	$	—	$	1.1
Foreign exchange forward contracts d	0.3		—		0.3		—		0.3
Total financial liabilities	$	1.4	$	—	$	1.4	$	—	$	1.4

aIncluded within Other assets, net.

bIncluded within Short-term investments.

cIncluded within Prepaid expenses and other current assets.

dIncluded within Accounts payable and accrued liabilities.