Other Non-Operating Expense (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	1 Months Ended
	Jun. 30, 2013	Jun. 30, 2013 Senior secured credit facility - revolving loan due 2018	Jun. 30, 2013 Term loan	Jun. 30, 2013 Revolving credit line
Other non-operating expense
Pre-tax charge incurred on call premium	$ 1.0
Maximum borrowing capacity		600
Debt maturity period		5 years
Face value			$ 82.5	$ 360.0