Credit Arrangements - 2012 Term Loan and Facilities (Details) (USD $) In Millions, unless otherwise specified		12 Months Ended
	Dec. 20, 2012 2012 Term Loan [Member]	Jun. 30, 2013 2012 Term Loan Base Rate [Member]	Jun. 30, 2013 2012 Term Loan LIBOR [Member]	Jun. 30, 2013 HSBC TD US Banks Term Loan [Member]	Jan. 22, 2013 HSBC TD US Banks Term Loan [Member]
Short-term Debt [Line Items]
Short-term Debt	$ 100.0				$ 25.0
Debt Instrument, Basis Spread on Variable Rate		0.75%	1.75%
Proceeds from Short-term Debt				$ 75.0