Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets	$ 6,745
Guaranteed. Investment Contracts [Member] | Fair Value, Inputs, Level 1 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets
Guaranteed. Investment Contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets	2,156
Guaranteed. Investment Contracts [Member] | Fair Value, Inputs, Level 3 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets
Guaranteed. Investment Contracts [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets	2,156
Mutual Stock Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets	1,241
Mutual Stock Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets
Mutual Stock Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets
Mutual Stock Funds [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets	1,241
Equity And Index Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets
Equity And Index Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets	3,348
Equity And Index Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets
Equity And Index Funds [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets	3,348
Fair Value, Inputs, Level 1 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets	1,241
Fair Value, Inputs, Level 2 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets	5,504
Fair Value, Inputs, Level 3 [Member]
Pension Plan (Details) - Pension plan assets by level within the fair value hierarchy [Line Items]
Pension plan assets