New Revised Standard Version
The Levites and all Judah did according to all that the priest Jehoiada commanded; each brought his men, who were to come on duty on the sabbath, with those who were to go off duty on the sabbath; for the priest Jehoiada did not dismiss the divisions.

Contemporary English Version
The Levites and the people of Judah followed Jehoiada's orders. The guards going off duty were not allowed to go home, and so each commander had all his guards available--those going off duty as well as those coming on duty.

New American Bible
The Levites and all Judah did just as Jehoiada the priest commanded. Each took his troops, both those going on duty for the week and those going off duty that week, since Jehoiada the priest had not dismissed any of the divisions.

Douay-Rheims Bible
So the Levites, and all Juda did according to all that Joiada the high priest had commanded: and they took every one his men that were under him, and that came in by the course of the sabbath, with those who had fulfilled the sabbath, and were to go out. For Joiada the high priest permitted not the companies to depart, which were accustomed to succeed one another every week.

So the Levites, and all Juda did according to all that Joiada the high priest had commanded: and they took every one his men that were under him, and that came in by the course of the sabbath, with those who had fulfilled the sabbath, and were to go out. For Joiada the high priest permitted not the companies to depart, which were accustomed to succeed one another every week.

the Levites

2 Kings 11:9 And the centurions did according to all things that Joiada the priest, had commanded them: and taking every one their men, that went in on the sabbath, with them that went out in the sabbath, came to Joiada, the priest.

the courses

1 Chronicles 24:1-26:32 Now these were the divisions of the sons of Aaron: The sons of Aaron: Nadab, and Abiu, and Eleazar, and Ithamar. . . .