Commitments and Contingencies (Details)	Mar. 31, 2013 BPR Triax item	Apr. 17, 2012 BPR Triax employee	Jun. 28, 2013 Violation of Section 10(b) and 20(a) of the Securities Exchange Act of 1934 and related rules thereof item
Loss contingencies
Number of employees of BPR Triax charged with allegations of corruption		2
Number of government contracts cited in testimony	5
Number of officers against whom complaint was filed			2