Commitments and Contingencies (Detail)	Nov. 25, 2019	Jul. 16, 2019 individual	Jun. 29, 2019 class	Apr. 04, 2019 individual	Apr. 03, 2019 class	Jan. 03, 2019 individual	Jan. 02, 2019 individual item	Jun. 27, 2018 individual	Jun. 21, 2018 individual	May 08, 2018 individual	Apr. 13, 2018 class	Nov. 28, 2016 individual state	Oct. 28, 2016 individual state	Oct. 14, 2016 individual state	Jun. 28, 2019 claim	Jun. 14, 2019 lawsuit	Dec. 10, 2018 lawsuit
Loss Contingencies [Line Items]
Number of lawsuits | lawsuit																	2
Number of arbitrations | lawsuit																17
Number of claims | claim															2
Petrizzo and Jara Case [Member]
Loss Contingencies [Line Items]
Number of other individuals filed lawsuit												38
Number of different states involved in lawsuit | state												15
Number of individual state specific putative class | state												15
Petrizzo Case [Member]
Loss Contingencies [Line Items]
Number of other individuals filed lawsuit														5
Number of different states involved in lawsuit | state														6
Jara Case [Member]
Loss Contingencies [Line Items]
Number of other individuals filed lawsuit													11
Number of different states involved in lawsuit | state													10
Nicole Versetto [Member]
Loss Contingencies [Line Items]
Number of other individuals filed lawsuit | class											3
Carlson Case [Member]
Loss Contingencies [Line Items]
Number of other individuals filed lawsuit		102					13	32		71
Number of groups plaintiffs motions to dismiss | item							3
Number of other individuals to whom notice has been sent				105
Percentage of graduates obtained job in field of study				90.00%
Stoltmann Case [Member]
Loss Contingencies [Line Items]
Number of other individuals filed lawsuit									399
Number Of Individuals to File Second Amended Claim						1
Robby Brown Case [Member]
Loss Contingencies [Line Items]
Number of other individuals filed lawsuit | class			2
T Lani Robinson Case [Member]
Loss Contingencies [Line Items]
Number of other individuals filed lawsuit | class					3
T Lani Robinson Case [Member] | Maximum
Loss Contingencies [Line Items]
Period of filling of class action complaint from date of order	14 days