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Schedule - Shareholder Fees - {Federated Prime Management Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000253 - Schedule - Annual Fund Operating Expenses - {Federated Prime Management Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000254 - Schedule - Expense Example - {Federated Prime Management Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000255 - Schedule - Expense Example, No Redemption {Transposed} - Federated Prime Management Obligations Fund link:presentationLink link:calculationLink link:definitionLink 000256 - Schedule - Annual Total Returns - Federated Prime Management Obligations Fund [BarChart] link:presentationLink link:calculationLink link:definitionLink 000257 - Schedule - Average Annual Total Returns - {Federated Prime Management Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000258 - Document - Risk/Return Detail {Unlabeled} - Federated Prime Management Obligations Fund link:presentationLink link:calculationLink link:definitionLink 000259 - Disclosure - Risk/Return Detail Data {Elements} - Federated Prime Management Obligations Fund Service Shares Class link:presentationLink link:calculationLink link:definitionLink 000261 - Document - Risk/Return Summary {Unlabeled} - Federated Prime Management Obligations Fund Capital Shares Class link:presentationLink link:calculationLink link:definitionLink 000262 - Schedule - Shareholder Fees - {Federated Prime Management Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000263 - Schedule - Annual Fund Operating Expenses - {Federated Prime Management Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000264 - Schedule - Expense Example - {Federated Prime Management Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000265 - Schedule - Expense Example, No Redemption {Transposed} - Federated Prime Management Obligations Fund Class Capital link:presentationLink link:calculationLink link:definitionLink 000266 - Schedule - Annual Total Returns - Federated Prime Management Obligations Fund Class Capital [BarChart] link:presentationLink link:calculationLink link:definitionLink 000267 - Schedule - Average Annual Total Returns - {Federated Prime Management Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000268 - Document - Risk/Return Detail {Unlabeled} - Federated Prime Management Obligations Fund Class Capital link:presentationLink link:calculationLink link:definitionLink 000269 - Disclosure - Risk/Return Detail Data {Elements} - Federated Prime Management Obligations Fund Capital Shares Class link:presentationLink link:calculationLink link:definitionLink 000271 - Document - Risk/Return Summary {Unlabeled} - Federated Prime Obligations Fund Institutional Shares Class link:presentationLink link:calculationLink link:definitionLink 000272 - Schedule - Shareholder Fees - {Federated Prime Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000273 - Schedule - Annual Fund Operating Expenses - {Federated Prime Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000274 - Schedule - Expense Example - {Federated Prime Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000275 - Schedule - Expense Example, No Redemption {Transposed} - Federated Prime Obligations Fund Class Institutional link:presentationLink link:calculationLink link:definitionLink 000276 - Schedule - Annual Total Returns - {Federated Prime Obligations Fund Class Institutional [BarChart]} link:presentationLink link:calculationLink link:definitionLink 000277 - Schedule - Average Annual Total Returns - {Federated Prime Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000278 - Document - Risk/Return Detail {Unlabeled} - Federated Prime Obligations Fund Class Institutional link:presentationLink link:calculationLink link:definitionLink 000279 - Disclosure - Risk/Return Detail Data {Elements} - Federated Prime Obligations Fund Institutional Shares Class link:presentationLink link:calculationLink link:definitionLink 000281 - Document - Risk/Return Summary {Unlabeled} - Federated Prime Obligations Fund Service Shares Class link:presentationLink link:calculationLink link:definitionLink 000282 - Schedule - Shareholder Fees - {Federated Prime Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000283 - Schedule - Annual Fund Operating Expenses - {Federated Prime Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000284 - Schedule - Expense Example - {Federated Prime Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000285 - Schedule - Expense Example, No Redemption {Transposed} - Federated Prime Obligations Fund link:presentationLink link:calculationLink link:definitionLink 000286 - Schedule - Annual Total Returns - Federated Prime Obligations Fund [BarChart] link:presentationLink link:calculationLink link:definitionLink 000287 - Schedule - Average Annual Total Returns - {Federated Prime Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000288 - Document - Risk/Return Detail {Unlabeled} - Federated Prime Obligations Fund link:presentationLink link:calculationLink link:definitionLink 000289 - Disclosure - Risk/Return Detail Data {Elements} - Federated Prime Obligations Fund Service Shares Class link:presentationLink link:calculationLink link:definitionLink 000291 - Document - Risk/Return Summary {Unlabeled} - Federated Prime Obligations Fund Trust Shares Class link:presentationLink link:calculationLink link:definitionLink 000292 - Schedule - Shareholder Fees - {Federated Prime Obligations Fund Class Trust} link:presentationLink link:calculationLink link:definitionLink 000293 - Schedule - Annual Fund Operating Expenses - {Federated Prime Obligations Fund Class Trust} link:presentationLink link:calculationLink link:definitionLink 000294 - Schedule - Expense Example - {Federated Prime Obligations Fund Class Trust} link:presentationLink link:calculationLink link:definitionLink 000295 - Schedule - Expense Example, No Redemption {Transposed} - {Federated Prime Obligations Fund Class Trust} link:presentationLink link:calculationLink link:definitionLink 000296 - Schedule - Annual Total Returns - Federated Prime Obligations Fund Class Trust [BarChart] link:presentationLink link:calculationLink link:definitionLink 000297 - Schedule - Average Annual Total Returns - {Federated Prime Obligations Fund Class Trust} link:presentationLink link:calculationLink link:definitionLink 000298 - Document - Risk/Return Detail {Unlabeled} - {Federated Prime Obligations Fund Class Trust} link:presentationLink link:calculationLink link:definitionLink 000299 - Disclosure - Risk/Return Detail Data {Elements} - Federated Prime Obligations Fund Trust Shares Class link:presentationLink link:calculationLink link:definitionLink 000301 - Document - Risk/Return Summary {Unlabeled} - Federated Prime Value Obligations Fund Institutional Shares Class link:presentationLink link:calculationLink link:definitionLink 000302 - Schedule - Shareholder Fees - {Federated Prime Value Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000303 - Schedule - Annual Fund Operating Expenses - {Federated Prime Value Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000304 - Schedule - Expense Example - {Federated Prime Value Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000305 - Schedule - Expense Example, No Redemption {Transposed} - {Federated Prime Value Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000306 - Schedule - Annual Total Returns - Federated Prime Value Obligations Fund Class Institutional [BarChart] link:presentationLink link:calculationLink link:definitionLink 000307 - Schedule - Average Annual Total Returns - {Federated Prime Value Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000308 - Document - Risk/Return Detail {Unlabeled} - {Federated Prime Value Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000309 - Disclosure - Risk/Return Detail Data {Elements} - Federated Prime Value Obligations Fund Institutional Shares Class link:presentationLink link:calculationLink link:definitionLink 000311 - Document - Risk/Return Summary {Unlabeled} - Federated Prime Value Obligations Fund Service Shares Class link:presentationLink link:calculationLink link:definitionLink 000312 - Schedule - Shareholder Fees - {Federated Prime Value Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000313 - Schedule - Annual Fund Operating Expenses - {Federated Prime Value Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000314 - Schedule - Expense Example - {Federated Prime Value Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000315 - Schedule - Expense Example, No Redemption {Transposed} - Federated Prime Value Obligations Fund link:presentationLink link:calculationLink link:definitionLink 000316 - Schedule - Annual Total Returns - Federated Prime Value Obligations Fund [BarChart] link:presentationLink link:calculationLink link:definitionLink 000317 - Schedule - Average Annual Total Returns - {Federated Prime Value Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000318 - Document - Risk/Return Detail {Unlabeled} - Federated Prime Value Obligations Fund link:presentationLink link:calculationLink link:definitionLink 000319 - Disclosure - Risk/Return Detail Data {Elements} - Federated Prime Value Obligations Fund Service Shares Class link:presentationLink link:calculationLink link:definitionLink 000321 - Document - Risk/Return Summary {Unlabeled} - Federated Prime Value Obligations Fund Capital Shares Class link:presentationLink link:calculationLink link:definitionLink 000322 - Schedule - Shareholder Fees - {Federated Prime Value Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000323 - Schedule - Annual Fund Operating Expenses -{ Federated Prime Value Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000324 - Schedule - Expense Example -{ Federated Prime Value Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000325 - Schedule - Expense Example, No Redemption {Transposed} - Federated Prime Value Obligations Fund Class Capital link:presentationLink link:calculationLink link:definitionLink 000326 - Schedule - Annual Total Returns - Federated Prime Value Obligations Fund Class Capital [BarChart] link:presentationLink link:calculationLink link:definitionLink 000327 - Schedule - Average Annual Total Returns -{ Federated Prime Value Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000328 - Document - Risk/Return Detail {Unlabeled} - Federated Prime Value Obligations Fund Class Capital link:presentationLink link:calculationLink link:definitionLink 000329 - Disclosure - Risk/Return Detail Data {Elements} - Federated Prime Value Obligations Fund Capital Shares Class link:presentationLink link:calculationLink link:definitionLink 000331 - Document - Risk/Return Summary {Unlabeled} - Federated Tax-Free Obligations Fund Institutional Shares Class link:presentationLink link:calculationLink link:definitionLink 000332 - Schedule - Shareholder Fees - {Federated Tax-Free Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000333 - Schedule - Annual Fund Operating Expenses - {Federated Tax-Free Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000334 - Schedule - Expense Example {- Federated Tax-Free Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000335 - Schedule - Expense Example, No Redemption {Transposed} - Federated Tax-Free Obligations Fund Class Institutional link:presentationLink link:calculationLink link:definitionLink 000336 - Schedule - Annual Total Returns - Federated Tax-Free Obligations Fund Class Institutional [BarChart] link:presentationLink link:calculationLink link:definitionLink 000337 - Schedule - Average Annual Total Returns {- Federated Tax-Free Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000338 - Document - Risk/Return Detail {Unlabeled} - Federated Tax-Free Obligations Fund Class Institutional link:presentationLink link:calculationLink link:definitionLink 000339 - Disclosure - Risk/Return Detail Data {Elements} - Federated Tax-Free Obligations Fund Institutional Shares Class link:presentationLink link:calculationLink link:definitionLink 000341 - Document - Risk/Return Summary {Unlabeled} - Federated Tax-Free Obligations Fund Service Shares Class link:presentationLink link:calculationLink link:definitionLink 000342 - Schedule - Shareholder Fees -{ Federated Tax-Free Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000343 - Schedule - Annual Fund Operating Expenses -{ Federated Tax-Free Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000344 - Schedule - Expense Example -{ Federated Tax-Free Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000345 - Schedule - Expense Example, No Redemption {Transposed} - Federated Tax-Free Obligations Fund link:presentationLink link:calculationLink link:definitionLink 000346 - Schedule - Annual Total Returns - Federated Tax-Free Obligations Fund [BarChart] link:presentationLink link:calculationLink link:definitionLink 000347 - Schedule - Average Annual Total Returns -{ Federated Tax-Free Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000348 - Document - Risk/Return Detail {Unlabeled} - Federated Tax-Free Obligations Fund link:presentationLink link:calculationLink link:definitionLink 000349 - Disclosure - Risk/Return Detail Data {Elements} - Federated Tax-Free Obligations Fund Service Shares Class link:presentationLink link:calculationLink link:definitionLink 000351 - Document - Risk/Return Summary {Unlabeled} - Federated Treasury Obligations Fund Institutional Shares Class link:presentationLink link:calculationLink link:definitionLink 000352 - Schedule - Shareholder Fees - {Federated Treasury Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000353 - Schedule - Annual Fund Operating Expenses - {Federated Treasury Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000354 - Schedule - Expense Example - {Federated Treasury Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000355 - Schedule - Expense Example, No Redemption {Transposed} - Federated Treasury Obligations Fund Class Institutional link:presentationLink link:calculationLink link:definitionLink 000356 - Schedule - Annual Total Returns - Federated Treasury Obligations Fund Class Institutional [BarChart] link:presentationLink link:calculationLink link:definitionLink 000357 - Schedule - Average Annual Total Returns - {Federated Treasury Obligations Fund Class Institutional} link:presentationLink link:calculationLink link:definitionLink 000358 - Document - Risk/Return Detail {Unlabeled} - Federated Treasury Obligations Fund Class Institutional link:presentationLink link:calculationLink link:definitionLink 000359 - Disclosure - Risk/Return Detail Data {Elements} - Federated Treasury Obligations Fund Institutional Shares Class link:presentationLink link:calculationLink link:definitionLink 000361 - Document - Risk/Return Summary {Unlabeled} - Federated Treasury Obligations Fund Service Shares Class link:presentationLink link:calculationLink link:definitionLink 000362 - Schedule - Shareholder Fees -{ Federated Treasury Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000363 - Schedule - Annual Fund Operating Expenses -{ Federated Treasury Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000364 - Schedule - Expense Example -{ Federated Treasury Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000365 - Schedule - Expense Example, No Redemption {Transposed} - Federated Treasury Obligations Fund link:presentationLink link:calculationLink link:definitionLink 000366 - Schedule - Annual Total Returns - Federated Treasury Obligations Fund [BarChart] link:presentationLink link:calculationLink link:definitionLink 000367 - Schedule - Average Annual Total Returns -{ Federated Treasury Obligations Fund} link:presentationLink link:calculationLink link:definitionLink 000368 - Document - Risk/Return Detail {Unlabeled} - Federated Treasury Obligations Fund link:presentationLink link:calculationLink link:definitionLink 000369 - Disclosure - Risk/Return Detail Data {Elements} - Federated Treasury Obligations Fund Service Shares Class link:presentationLink link:calculationLink link:definitionLink 000371 - Document - Risk/Return Summary {Unlabeled} - Federated Treasury Obligations Fund Capital Shares Class link:presentationLink link:calculationLink link:definitionLink 000372 - Schedule - Shareholder Fees - {Federated Treasury Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000373 - Schedule - Annual Fund Operating Expenses - {Federated Treasury Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000374 - Schedule - Expense Example -{ Federated Treasury Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000375 - Schedule - Expense Example, No Redemption {Transposed} - Federated Treasury Obligations Fund Class Capital link:presentationLink link:calculationLink link:definitionLink 000376 - Schedule - Annual Total Returns - Federated Treasury Obligations Fund Class Capital [BarChart] link:presentationLink link:calculationLink link:definitionLink 000377 - Schedule - Average Annual Total Returns -{ Federated Treasury Obligations Fund Class Capital} link:presentationLink link:calculationLink link:definitionLink 000378 - Document - Risk/Return Detail {Unlabeled} - Federated Treasury Obligations Fund Class Capital link:presentationLink link:calculationLink link:definitionLink 000379 - Disclosure - Risk/Return Detail Data {Elements} - Federated Treasury Obligations Fund Capital Shares Class link:presentationLink link:calculationLink link:definitionLink 000381 - Document - Risk/Return Summary {Unlabeled} - Federated Treasury Obligations Fund Trust Shares Class link:presentationLink link:calculationLink link:definitionLink 000382 - Schedule - Shareholder Fees - {Federated Treasury Obligations Fund Class Trust} link:presentationLink link:calculationLink link:definitionLink 000383 - Schedule - Annual Fund Operating Expenses - {Federated Treasury Obligations Fund Class Trust} link:presentationLink link:calculationLink link:definitionLink 000384 - Schedule - Expense Example - {Federated Treasury Obligations Fund Class Trust} link:presentationLink link:calculationLink link:definitionLink 000385 - Schedule - Expense Example, No Redemption {Transposed} - Federated Treasury Obligations Fund Class Trust link:presentationLink link:calculationLink link:definitionLink 000386 - Schedule - Annual Total Returns - Federated Treasury Obligations Fund Class Trust [BarChart] link:presentationLink link:calculationLink link:definitionLink 000387 - Schedule - Average Annual Total Returns - {Federated Treasury Obligations Fund Class Trust} link:presentationLink link:calculationLink link:definitionLink 000388 - Document - Risk/Return Detail {Unlabeled} - Federated Treasury Obligations Fund Class Trust link:presentationLink link:calculationLink link:definitionLink 000389 - Disclosure - Risk/Return Detail Data {Elements} - Federated Treasury Obligations Fund Trust Shares Class link:presentationLink link:calculationLink link:definitionLink 000391 - Document - Risk/Return Summary {Unlabeled} - Federated Trust for U.S. Treasury Obligations link:presentationLink link:calculationLink link:definitionLink 000392 - Schedule - Shareholder Fees - {Federated Trust for U.S. Treasury Obligations} link:presentationLink link:calculationLink link:definitionLink 000393 - Schedule - Annual Fund Operating Expenses - {Federated Trust for U.S. Treasury Obligations} link:presentationLink link:calculationLink link:definitionLink 000394 - Schedule - Expense Example - {Federated Trust for U.S. Treasury Obligations} link:presentationLink link:calculationLink link:definitionLink 000395 - Schedule - Expense Example, No Redemption {Transposed} - Federated Trust for U.S. Treasury Obligations link:presentationLink link:calculationLink link:definitionLink 000396 - Schedule - Annual Total Returns - Federated Trust for U.S. Treasury Obligations [BarChart] link:presentationLink link:calculationLink link:definitionLink 000397 - Schedule - Average Annual Total Returns - {Federated Trust for U.S. Treasury Obligations} link:presentationLink link:calculationLink link:definitionLink 000398 - Document - Risk/Return Detail {Unlabeled} - Federated Trust for U.S. Treasury Obligations link:presentationLink link:calculationLink link:definitionLink 000399 - Disclosure - Risk/Return Detail Data {Elements} - Federated Trust for U.S. Treasury Obligations link:presentationLink link:calculationLink link:definitionLink