Answer:

weeks

Answer	Crossword Clue
WEEKS	Pay periods
WEEKS	Units of time
WEEKS	They last for days

WEEKS	Long wait for repairs
WEEKS	Time
WEEKS	Calendar rows
WEEKS	Work units
WEEKS	Pay periods, often
WEEKS	Payroll periods, often
WEEKS	Typical pay periods
WEEKS	Work periods, typically

WEEKS	Fortnight pair
WEEKS	Month fractions
WEEKS	When "The Late Show With David Letterman" airs
WEEKS	"Two ... Notice"
WEEKS	Periods of time.
WEEKS	Calendar items.
WEEKS	He will take over from Sawyer.
WEEKS	Sec. of Commerce.

WEEKS	Secretary of Commerce.
WEEKS	Elinor Glyn's "Three ...."
WEEKS	Time periods.
WEEKS	"Three ...."
WEEKS	Calendar units
WEEKS	Worktime units
WEEKS	Two make a fortnight
WEEKS	Hebdomads

WEEKS	"Three ...," Glyn novel
WEEKS	Quite a while
WEEKS	Best-seller list heading
WEEKS	Rows on a calendar page
WEEKS	Vacation segments
WEEKS	Van Morrison "Astral ..."
WEEKS	Rows on a calendar
WEEKS	Days and days

WEEKS	Payroll periods