The strike has idled about one-third of the company's work force.
The four-month strike idled 50,000 seamen and 300 ships.
The strikes idled 12 percent of Poland's coal production and severely hampered its two largest ports.
The strike idled most of the county's 400 buses and left 55,000 residents, including 6,000 schoolchildren, to find other transportation.
He said strikes involving about 6,000 striking miners, or about 7 percent of the total mine work force, were idling 75,000 workers.
The strike had idled more than 175,000 workers - both G.M. employees and those working for related businesses.
The three-day strike idled nearly 22,000 workers in Flint and elsewhere.
During the quarter, an 18-day strike idled 35,000 phone company employees.
The strikes have idled more than 140,000 workers.
The strike, which began June 1 amid a dispute over pensions and health care benefits, has idled about 9 percent of Western production capacity.