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Deferred Costs	12 Months Ended
Jan. 31, 2019
Deferred Costs [Abstract]
Deferred Costs	Note 3. Deferred Costs Deferred costs, which consist of deferred sales commissions, were $30.9 million and $30.3 million as of January 31, 2019 and 2018, respectively. Amortization expense for the deferred costs was $18.4 million, $16.6 million, and $14.2 million for fiscal years ended January 31, 2019, 2018, and 2017, respectively. There has been no impairment losses recorded in relation to the costs capitalized for any period presented.

Deferred Costs

12 Months Ended

Jan. 31, 2019

Note 3. Deferred Costs

Deferred costs, which consist of deferred sales commissions, were $30.9 million and $30.3 million as of January 31, 2019 and 2018, respectively. Amortization expense for the deferred costs was $18.4 million, $16.6 million, and $14.2 million for fiscal years ended January 31, 2019, 2018, and 2017, respectively. There has been no impairment losses recorded in relation to the costs capitalized for any period presented.