Contingencies (Details) (Employment Discrimination Action, USD $) In Millions, unless otherwise specified	1 Months Ended
	Jun. 30, 2011
Employment Discrimination Action
Contingencies
Number of plaintiffs in a lawsuit	9
Payment to be made to plaintiffs as per proposed settlement terms	$ 0.3
Maximum amount of plaintiffs' attorneys' fees and costs to be reimbursed by the entity	$ 10