Acquisition (Detail Textuals 1) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended	3 Months Ended	4 Months Ended	9 Months Ended	4 Months Ended	0 Months Ended	4 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Nov. 15, 2013 Six3 Systems Holdings II Inc	Mar. 31, 2014 Six3 Systems Holdings II Inc	Mar. 31, 2014 Six3 Systems Holdings II Inc	Mar. 31, 2014 Six3 Systems Holdings II Inc	Mar. 31, 2014 Six3 Systems Holdings II Inc Retention Agreements With Acquired Entity Executive	Nov. 15, 2013 Six3 Systems Holdings II Inc Customer Contracts And Customer Relationships	Mar. 31, 2014 Six3 Systems Holdings II Inc Customer Contracts And Customer Relationships
Business Acquisition [Line Items]
Initial purchase consideration					$ 820,000,000
Estimated cash and net working capital adjustment					25,800,000
Escrow deposit related to net cash and working capital adjustments					5,000,000
Escrow deposit related to indemnified obligations					35,000,000
Escrow deposit distributed to seller						5,000,000
Estimated consideration allocated to assets acquired and liabilities assumed					847,289,000
Net working capital adjustment					1,400,000
Value attributed to goodwill, customer contracts and customer relationships deductible for income tax purposes					55,100,000
Amortization period										14 years
Revenue	900,393,000	906,196,000	2,658,844,000	2,769,059,000			153,600,000
Net income	30,828,000	38,367,000	98,782,000	113,751,000			3,100,000
Amortization of customer contracts and customer relationships											7,800,000
Retention bonuses									2,500,000
Acquisition-related expenses								$ 11,600,000