Restructuring and Related Costs Restructuring and Related Costs (Restructuring Reserve Rollforward) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Restructuring Reserve [Roll Forward]
Balance, October 1, 2016			$ 2,296,000
Restructuring expense			1,036,000
Payments			(2,135,000)
Other adjustments			13,000
Currency translation			(111,000)
Balance, July 1, 2017	$ 1,099,000		1,099,000
2016 Q3 Restructuring
Restructuring Reserve [Roll Forward]
Balance, October 1, 2016			308,000
Restructuring expense			0
Payments			(221,000)
Other adjustments			0
Currency translation			(8,000)
Balance, July 1, 2017	79,000		79,000
2016 Q4 Restructuring
Restructuring Reserve [Roll Forward]
Balance, October 1, 2016			935,000
Restructuring expense			1,036,000
Payments			(1,652,000)
Other adjustments			0
Currency translation			(110,000)
Balance, July 1, 2017	209,000		209,000
2014 Restructuring
Restructuring Reserve [Roll Forward]
Balance, October 1, 2016			1,053,000
Restructuring expense	0	$ 0	0	$ 0
Payments			(262,000)
Other adjustments			13,000
Currency translation			7,000
Balance, July 1, 2017	$ 811,000		$ 811,000