In that time, companies and unions could reach agreement on cuts.
Last Friday, the pilots' union reached an accord with the company.
Then the unions over reached and had a bitter harvest.
On March 22, 2006, the unions and the hospital reached an agreement.
In April, 2010, the city and teachers' union reached an agreement to end the practice.
On November 6, 2006, the union and city reached a tentative deal to increase pay by 7.1 percent over two years.
So far, the union has not reached a resolution with any of the companies.
The union has already reached an agreement with 48 smaller companies in the region.
That week, the teachers' union, the largest group in the movement, had finally reached an agreement with federal negotiators to return to work.
"We are pleased that the city and the unions have reached agreement," he said.