over the course of

over the course of

In or during the process of. Over the course of your employment in the company, were you ever aware or suspicious of any illicit financial activity going on? I learned over the course of the meeting that our department was being downsized by over 50 percent.
See also: course, of, over
Farlex Dictionary of Idioms.

in/over the course of...

(used with expressions for periods of time) during: He’s seen many changes in the course of his long life. The company faces some major challenges over the course of the next few years.
See also: course, over
Farlex Partner Idioms Dictionary
See also:
  • in the course of
  • in/over the course of...
  • during
  • during the course of
  • hole-and-corner
  • hole-in-the-corner
  • stolen fruit is (the) sweetest
  • stolen fruit is sweet
  • stolen fruit is sweetest
  • stolen pleasures are (the) sweetest
References in periodicals archive
Afridi, who represented Pakistan in 27 Tests, 398 One-Day Internationals (ODIs) and 99 Twenty20 Internationals (T20Is) for Pakistan over the course of his illustrious career, once again stole the limelight with his blistering knock.
Watch: Afridi rolls back the years with blistering knock in Global T20 Canada
Most of Pakistan's likely Test top order batsmen spent a reasonable amount of time at the crease over the course of their two innings.
Imam, Haris steer Pakistan to victory in Tour warm-up
Brook was not out on 59, hitting 12 boundaries over the course of his 48-ball stint in the middle.
England thrash Nmaibia at U19 Word Cup
On a day when hundreds of supporters gathered to cheer their favorite teams in the semifinals, it was Hyderabad Royals and Reliance who showcased some merciless performances to stun their opponents in typical one-sided matches which has been their trademark over the course of the tournament.
Hyderabad Royals, Reliance in JCT final showdown