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Debt (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015
Debt maturities
2017	$ 233,750
2019	100,000
Total	$ 333,750us-gaap_LongTermDebt

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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