Commitments, Contingencies and Guarantees Minimum Aggregate Future Obligations Under Non-cancelable Leases (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Commitments and Contingencies Disclosure [Abstract]
Remaining 2013	$ 13,355
2014	25,846
2015	23,845
2016	19,961
2017	19,113
Thereafter	34,169
Total	$ 136,289

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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