Corporate Investments And Funds Held For Clients (Tables)

6 Months Ended

Dec. 31, 2012

Corporate Investments And Funds Held For Clients [Abstract]

Available-for-sale Securities [Table Text Block]

	December 31, 2012
	Amortized Cost		Gross Unrealized  Gains		Gross Unrealized Losses			Fair Value
Type of issue:
Money market securities and other cash equivalents	$	6,819.9	$	—	$	—		$	6,819.9
Available-for-sale securities:
U.S. Treasury and direct obligations of U.S. government agencies	6,541.9		251.8		(1.2		)	6,792.5
Corporate bonds	7,055.9		301.3		(1.3		)	7,355.9
Canadian provincial bonds	660.1		36.3		(0.2		)	696.2
Asset-backed securities	772.8		13.4		(0.2		)	786.0
Municipal bonds	523.9		29.2		(0.4		)	552.7
Canadian government obligations and Canadian government agency obligations	1,040.1		17.6		(1.3		)	1,056.4
Other securities	1,143.7		73.1		(0.2		)	1,216.6
Total available-for-sale securities	17,738.4		722.7		(4.8		)	18,456.3
Total corporate investments and funds held for clients	$	24,558.3	$	722.7	$	(4.8	)	$	25,276.2

	June 30, 2012
	Amortized  Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Type of issue:
Money market securities and other cash equivalents	$	5,111.1	$	—	$	—		$	5,111.1
Available-for-sale securities:
U.S. Treasury and direct obligations of U.S. government agencies	6,413.8		260.9		(0.1		)	6,674.6
Corporate bonds	7,097.2		272.3		(1.5		)	7,368.0
Canadian provincial bonds	620.8		35.4		(0.3		)	655.9
Asset-backed securities	533.9		14.5		—			548.4
Municipal bonds	522.0		31.0		(0.1		)	552.9
Canadian government obligations and Canadian government agency obligations	994.2		23.4		(0.6		)	1,017.0
Other securities	1,201.0		75.7		(0.1		)	1,276.6
Total available-for-sale securities	17,382.9		713.2		(2.7		)	18,093.4
Total corporate investments and funds held for clients	$	22,494.0	$	713.2	$	(2.7	)	$	23,204.5

Classification Of Corporate Investments On The Consolidated Balance Sheets

	December 31,		June 30,
	2012		2012
Corporate investments:
Cash and cash equivalents	$	1,390.9	$	1,548.1
Short-term marketable securities	43.9		30.4
Long-term marketable securities	82.4		86.9
Total corporate investments	$	1,517.2	$	1,665.4

Schedule Of Investment Of Funds Held For Clients

	December 31,		June 30,
	2012		2012
Funds held for clients:
Restricted cash and cash equivalents held to satisfy client funds obligations	$	5,429.0	$	3,563.0
Restricted short-term marketable securities held to satisfy client funds obligations	2,071.0		2,954.1
Restricted long-term marketable securities held to satisfy client funds obligations	16,259.0		15,022.0
Total funds held for clients	$	23,759.0	$	21,539.1

Available-For-Sale Securities That Have Been In An Unrealized Loss Position

The unrealized losses and fair values of available-for-sale securities that have been in an unrealized loss position for a period of less than and greater than 12 months as of December 31, 2012, are as follows: 

	Unrealized losses less than 12 months			Fair market value less than 12 months		Unrealized losses greater than 12 months		Fair market value greater than 12 months		Total gross unrealized losses			Total fair market value
U.S. Treasury and direct obligations of U.S. government agencies	$	(1.2	)	$	439.3	$	—	$	—	$	(1.2	)	$	439.3
Corporate bonds	(1.3		)	248.0		—		—		(1.3		)	248.0
Canadian provincial bonds	(0.2		)	35.5		—		—		(0.2		)	35.5
Asset-backed securities	(0.2		)	126.4		—		—		(0.2		)	126.4
Municipal bonds	(0.4		)	45.9		—		—		(0.4		)	45.9
Canadian government obligations and Canadian government agency obligations	(1.3		)	280.9		—		—		(1.3		)	280.9
Other securities	(0.2		)	33.3		—		—		(0.2		)	33.3
	$	(4.8	)	$	1,209.3	$	—	$	—	$	(4.8	)	$	1,209.3

The unrealized losses and fair values of available-for-sale securities that have been in an unrealized loss position for a period of less than and greater than 12 months as of June 30, 2012 are as follows: 

	Unrealized losses less than 12 months			Fair market value less than 12 months		Unrealized losses greater than 12 months			Fair market value greater than 12 months		Total gross unrealized losses			Total fair market value
U.S. Treasury and direct obligations of U.S. government agencies	$	(0.1	)	$	43.6	$	—		$	—	$	(0.1	)	$	43.6
Corporate bonds	(1.1		)	234.8		(0.4		)	20.2		(1.5		)	255.0
Canadian provincial bonds	(0.3		)	58.5		—			—		(0.3		)	58.5
Asset-backed securities	—			13.6		—			—		—			13.6
Municipal bonds	(0.1		)	22.8		—			—		(0.1		)	22.8
Canadian government obligations and Canadian government agency obligations	(0.6		)	209.4		—			—		(0.6		)	209.4
Other securities	(0.1		)	26.3		—			—		(0.1		)	26.3
	$	(2.3	)	$	609.0	$	(0.4	)	$	20.2	$	(2.7	)	$	629.2

Expected Maturities Of Available-For-Sale Securities

Due in one year or less	$	2,114.8
Due after one year to two years	2,082.8
Due after two years to three years	4,703.1
Due after three years to four years	3,317.8
Due after four years	6,237.8
Total available-for-sale securities	$	18,456.3